diff --git a/extensions/fablabchemnitz/about_upgrade_mightyscape/meta.json b/extensions/fablabchemnitz/about_upgrade_mightyscape/meta.json
index aa421ef..de89440 100644
--- a/extensions/fablabchemnitz/about_upgrade_mightyscape/meta.json
+++ b/extensions/fablabchemnitz/about_upgrade_mightyscape/meta.json
@@ -13,7 +13,7 @@
     "fork_url": null,
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/MightyScape+1.X+-+Introduction+and+Installation",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/eridur-de"
     ]
   }
diff --git a/extensions/fablabchemnitz/affine_spirals/meta.json b/extensions/fablabchemnitz/affine_spirals/meta.json
index bbd39d9..af32b86 100644
--- a/extensions/fablabchemnitz/affine_spirals/meta.json
+++ b/extensions/fablabchemnitz/affine_spirals/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/macbuse/Affine-spirals",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Affine+Spirals",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/macbuse",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/ai_compatible_eps_output/meta.json b/extensions/fablabchemnitz/ai_compatible_eps_output/meta.json
index 669116b..5053f33 100644
--- a/extensions/fablabchemnitz/ai_compatible_eps_output/meta.json
+++ b/extensions/fablabchemnitz/ai_compatible_eps_output/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/tzunghaor/inkscape-eps-export",
     "documentation_url": "https://stadtfabrikanten.org/pages/viewpage.action?pageId=55018922&searchId=UF0RDT9E0",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/tzunghaor",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/animate_order/meta.json b/extensions/fablabchemnitz/animate_order/meta.json
index f32abb3..9716bec 100644
--- a/extensions/fablabchemnitz/animate_order/meta.json
+++ b/extensions/fablabchemnitz/animate_order/meta.json
@@ -13,7 +13,7 @@
     "fork_url": null,
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Animate+Order",
     "inkscape_gallery_url": "https://inkscape.org/~MarioVoigt/%E2%98%85animate-order",
-    "main_authors": [
+    "contributors": [
       "github.com/eridur-de"
     ]
   }
diff --git a/extensions/fablabchemnitz/another_perspective/meta.json b/extensions/fablabchemnitz/another_perspective/meta.json
index 6354b30..7a7157f 100644
--- a/extensions/fablabchemnitz/another_perspective/meta.json
+++ b/extensions/fablabchemnitz/another_perspective/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/CorentinBrule/inkscape_another_perspective_extension",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Another+Perspective",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/CorentinBrule",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/apollonian_gasket/meta.json b/extensions/fablabchemnitz/apollonian_gasket/meta.json
index c5f25a2..dd75544 100644
--- a/extensions/fablabchemnitz/apollonian_gasket/meta.json
+++ b/extensions/fablabchemnitz/apollonian_gasket/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/macbuse/Apollonian",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Apollonian+Gasket",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/macbuse",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/apply_transformations/meta.json b/extensions/fablabchemnitz/apply_transformations/meta.json
index 6b968ac..5e219e7 100644
--- a/extensions/fablabchemnitz/apply_transformations/meta.json
+++ b/extensions/fablabchemnitz/apply_transformations/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/Klowner/inkscape-applytransforms",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Apply+Transformations",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/Klowner",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/archimedes_spiral/meta.json b/extensions/fablabchemnitz/archimedes_spiral/meta.json
index edccd20..c3b9b70 100644
--- a/extensions/fablabchemnitz/archimedes_spiral/meta.json
+++ b/extensions/fablabchemnitz/archimedes_spiral/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://inkscape.org/de/~panos/%E2%98%85speira?c=16537",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Archimedes+Spiral",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "inkscape.org/panos",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/barrel_distorsion/meta.json b/extensions/fablabchemnitz/barrel_distorsion/meta.json
index 7b2f46f..a6070b6 100644
--- a/extensions/fablabchemnitz/barrel_distorsion/meta.json
+++ b/extensions/fablabchemnitz/barrel_distorsion/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/ucuapps/InkscapeBarrelDistortion",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Barrel+Distortion",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/ucuapps",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/batch_task/meta.json b/extensions/fablabchemnitz/batch_task/meta.json
index eba6dab..c8d61b0 100644
--- a/extensions/fablabchemnitz/batch_task/meta.json
+++ b/extensions/fablabchemnitz/batch_task/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/heyzec/Inkscape-Extensions/",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Batch+Task",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/heyzec",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/bezier_envelope/meta.json b/extensions/fablabchemnitz/bezier_envelope/meta.json
index 21a3569..15a848b 100644
--- a/extensions/fablabchemnitz/bezier_envelope/meta.json
+++ b/extensions/fablabchemnitz/bezier_envelope/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/shlomif/Bezier-Envelope-for-Inkscape",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Bezier+Envelope",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/shlomif",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/blobs/meta.json b/extensions/fablabchemnitz/blobs/meta.json
index 94a76fe..b54d125 100644
--- a/extensions/fablabchemnitz/blobs/meta.json
+++ b/extensions/fablabchemnitz/blobs/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://inkscape.org/~kurn/%E2%98%85blobs",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Blobs+Texture",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "inkscape.org/kurn",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/blueprint_maker/meta.json b/extensions/fablabchemnitz/blueprint_maker/meta.json
index dd73981..12aab67 100644
--- a/extensions/fablabchemnitz/blueprint_maker/meta.json
+++ b/extensions/fablabchemnitz/blueprint_maker/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://framagit.org/SxncR0OR/inkscape-extension-blueprint",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Blueprint+Maker",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "framagit.org/SxncR0OR",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/bobbinlace/meta.json b/extensions/fablabchemnitz/bobbinlace/meta.json
index 1029603..df6384a 100644
--- a/extensions/fablabchemnitz/bobbinlace/meta.json
+++ b/extensions/fablabchemnitz/bobbinlace/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/d-bl/inkscape-bobbinlace",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Bobbin+Lace",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/d-bl",
       "github.com/veronika",
       "github.com/Neon22",
diff --git a/extensions/fablabchemnitz/bounding_box/meta.json b/extensions/fablabchemnitz/bounding_box/meta.json
index c6cf655..361cec2 100644
--- a/extensions/fablabchemnitz/bounding_box/meta.json
+++ b/extensions/fablabchemnitz/bounding_box/meta.json
@@ -13,7 +13,7 @@
     "fork_url": null,
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Bounding+Box",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/eridur-de"
     ]
   }
diff --git a/extensions/fablabchemnitz/bouwkamp_code/meta.json b/extensions/fablabchemnitz/bouwkamp_code/meta.json
index d65760e..d18c037 100644
--- a/extensions/fablabchemnitz/bouwkamp_code/meta.json
+++ b/extensions/fablabchemnitz/bouwkamp_code/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/Wandmalfarbe/bouwkamp-code-generator",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Bouwkamp+Code",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/Wandmalfarbe",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/box_maker_conical/meta.json b/extensions/fablabchemnitz/box_maker_conical/meta.json
index 8197735..686cdc9 100644
--- a/extensions/fablabchemnitz/box_maker_conical/meta.json
+++ b/extensions/fablabchemnitz/box_maker_conical/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/thierry7100/ConicBox",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Box+Maker+-+Conical",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/thierry7100",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/box_maker_elliptical_box/meta.json b/extensions/fablabchemnitz/box_maker_elliptical_box/meta.json
index 1fd1d7b..bb4d49f 100644
--- a/extensions/fablabchemnitz/box_maker_elliptical_box/meta.json
+++ b/extensions/fablabchemnitz/box_maker_elliptical_box/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/BvdP/elliptical-box-maker",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Box+Maker+-+Elliptical+Box",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/BvdP",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/box_maker_elliptical_cone/meta.json b/extensions/fablabchemnitz/box_maker_elliptical_cone/meta.json
index db2c5bb..ed961c6 100644
--- a/extensions/fablabchemnitz/box_maker_elliptical_cone/meta.json
+++ b/extensions/fablabchemnitz/box_maker_elliptical_cone/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/thierry7100/ConeFlex",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Box+Maker+-+Elliptical+Cone",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/thierry7100",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/box_maker_generic_generator/meta.json b/extensions/fablabchemnitz/box_maker_generic_generator/meta.json
index 2717acc..1de95ee 100644
--- a/extensions/fablabchemnitz/box_maker_generic_generator/meta.json
+++ b/extensions/fablabchemnitz/box_maker_generic_generator/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/thierry7100/GenBox",
     "documentation_url": "",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/thierry7100",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/box_maker_lasercut_box/meta.json b/extensions/fablabchemnitz/box_maker_lasercut_box/meta.json
index 33df582..21fe853 100644
--- a/extensions/fablabchemnitz/box_maker_lasercut_box/meta.json
+++ b/extensions/fablabchemnitz/box_maker_lasercut_box/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/Neon22/inkscape-LasercutBox",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Box+Maker+-+Lasercut+Box",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/Neon22",
       "github.com/jnweiger",
       "github.com/eridur-de"
diff --git a/extensions/fablabchemnitz/box_maker_living_hinge/meta.json b/extensions/fablabchemnitz/box_maker_living_hinge/meta.json
index 658b1a8..1f1d95f 100644
--- a/extensions/fablabchemnitz/box_maker_living_hinge/meta.json
+++ b/extensions/fablabchemnitz/box_maker_living_hinge/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://www.reidb.net/code/LivingHinge.zip",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Box+Maker+-+Living+Hinge",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "Elliot White:elliot@twot.eu",
       "reidb.net/Reid Borsuk:reid.borsuk@live.com",
       "github.com/eridur-de"
diff --git a/extensions/fablabchemnitz/box_maker_mehr_boxes/meta.json b/extensions/fablabchemnitz/box_maker_mehr_boxes/meta.json
index a2006a5..7467ae3 100644
--- a/extensions/fablabchemnitz/box_maker_mehr_boxes/meta.json
+++ b/extensions/fablabchemnitz/box_maker_mehr_boxes/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/ThoreMehr/Mehr_BoxMaker",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Box+Maker+-+Mehr+Boxes",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/ThoreMehr",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/box_maker_path_to_flex/meta.json b/extensions/fablabchemnitz/box_maker_path_to_flex/meta.json
index a455390..7570be2 100644
--- a/extensions/fablabchemnitz/box_maker_path_to_flex/meta.json
+++ b/extensions/fablabchemnitz/box_maker_path_to_flex/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/thierry7100/Path2flex",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Box+Maker+-+Path+To+Flex",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/thierry7100",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/box_maker_t_slot/meta.json b/extensions/fablabchemnitz/box_maker_t_slot/meta.json
index 73f3e40..6d99150 100644
--- a/extensions/fablabchemnitz/box_maker_t_slot/meta.json
+++ b/extensions/fablabchemnitz/box_maker_t_slot/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/kchimbo/inkscape_tslot_boxmaker",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Box+Maker+-+T-Slot",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/kchimbo",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/box_maker_tabbed/meta.json b/extensions/fablabchemnitz/box_maker_tabbed/meta.json
index e840771..91f4086 100644
--- a/extensions/fablabchemnitz/box_maker_tabbed/meta.json
+++ b/extensions/fablabchemnitz/box_maker_tabbed/meta.json
@@ -22,7 +22,7 @@
       "https://stadtfabrikanten.org/display/IFM/Box+Maker+-+Tabbed"
         ],
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/paulh-rnd",
       "github.com/jimmc",
       "github.com/jsleeio",
diff --git a/extensions/fablabchemnitz/boxes.py/meta.json b/extensions/fablabchemnitz/boxes.py/meta.json
index 4df469e..186c431 100644
--- a/extensions/fablabchemnitz/boxes.py/meta.json
+++ b/extensions/fablabchemnitz/boxes.py/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/florianfesti/boxes",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Boxes.py",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/eridur-de"
     ]
   }
diff --git a/extensions/fablabchemnitz/braille_l18n/meta.json b/extensions/fablabchemnitz/braille_l18n/meta.json
index 5b8ba0f..9bd5d40 100644
--- a/extensions/fablabchemnitz/braille_l18n/meta.json
+++ b/extensions/fablabchemnitz/braille_l18n/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/mondeja/inkscape-braille-l18n-ext",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Convert+To+Localized+Braille",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/mondeja",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/buxtronix_living_hinges/meta.json b/extensions/fablabchemnitz/buxtronix_living_hinges/meta.json
index 3cef86b..cd99a7f 100644
--- a/extensions/fablabchemnitz/buxtronix_living_hinges/meta.json
+++ b/extensions/fablabchemnitz/buxtronix_living_hinges/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/buxtronix/living-hinge",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Buxtronix+Living+Hinges",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/buxtronix",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/can_generator/meta.json b/extensions/fablabchemnitz/can_generator/meta.json
index db033f3..c8c6db8 100644
--- a/extensions/fablabchemnitz/can_generator/meta.json
+++ b/extensions/fablabchemnitz/can_generator/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/minirevollo/Inkscape-Dosen-Generator",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Can+Generator",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/minirevollo",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/card_layout_guides/meta.json b/extensions/fablabchemnitz/card_layout_guides/meta.json
index 33dc28c..533deff 100644
--- a/extensions/fablabchemnitz/card_layout_guides/meta.json
+++ b/extensions/fablabchemnitz/card_layout_guides/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://sourceforge.net/p/razorfoss/svn/HEAD/tree/trunk/Inkscape/LayoutGuides/",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Card+Layout+Guides",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "Luke Phillips:lukerazor@hotmail.com",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/chain_paths/meta.json b/extensions/fablabchemnitz/chain_paths/meta.json
index a356cfd..b3c7d32 100644
--- a/extensions/fablabchemnitz/chain_paths/meta.json
+++ b/extensions/fablabchemnitz/chain_paths/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/fablabnbg/inkscape-chain-paths",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Chain+Paths",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/fablabnbg",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/checkerboard/meta.json b/extensions/fablabchemnitz/checkerboard/meta.json
index 24d5aa2..47152f9 100644
--- a/extensions/fablabchemnitz/checkerboard/meta.json
+++ b/extensions/fablabchemnitz/checkerboard/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/jeffkayser/inkscape-checkerboard",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Checkerboard",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/jeffkayser",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/chip_scratches/meta.json b/extensions/fablabchemnitz/chip_scratches/meta.json
index bf322c5..c21e50c 100644
--- a/extensions/fablabchemnitz/chip_scratches/meta.json
+++ b/extensions/fablabchemnitz/chip_scratches/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://inkscape.org/~kurn/%E2%98%85chipscratches",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Chip+Scratches",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "inkscape.org/kurn",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/circle_tangents/meta.json b/extensions/fablabchemnitz/circle_tangents/meta.json
index f9d4197..46a1e73 100644
--- a/extensions/fablabchemnitz/circle_tangents/meta.json
+++ b/extensions/fablabchemnitz/circle_tangents/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/Rhysun/inkTan",
     "documentation_url": "https://stadtfabrikanten.org/pages/viewpage.action?pageId=74645771",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/Rhysun",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/cleanup_styles/meta.json b/extensions/fablabchemnitz/cleanup_styles/meta.json
index bb94f6b..89aca3c 100644
--- a/extensions/fablabchemnitz/cleanup_styles/meta.json
+++ b/extensions/fablabchemnitz/cleanup_styles/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/attoparsec/inkscape-extensions",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Cleanup+Styles",
     "inkscape_gallery_url": "https://inkscape.org/de/~MarioVoigt/%E2%98%85cleanup-styles",
-    "main_authors": [
+    "contributors": [
       "github.com/attoparsec",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/clip_out/meta.json b/extensions/fablabchemnitz/clip_out/meta.json
index ddab4e8..347c950 100644
--- a/extensions/fablabchemnitz/clip_out/meta.json
+++ b/extensions/fablabchemnitz/clip_out/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://gitlab.com/inklinea/clip-out",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Clip+Out",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/eridur-de"
     ]
   }
diff --git a/extensions/fablabchemnitz/clones_in_perspective/meta.json b/extensions/fablabchemnitz/clones_in_perspective/meta.json
index 832aea4..8aed6e0 100644
--- a/extensions/fablabchemnitz/clones_in_perspective/meta.json
+++ b/extensions/fablabchemnitz/clones_in_perspective/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://inkscape.org/de/~kurn/%E2%98%85clonesp",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Clones+In+Perspective",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "inkscape.org/kurn",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/close_paths/meta.json b/extensions/fablabchemnitz/close_paths/meta.json
index baa4f1a..cc788ca 100644
--- a/extensions/fablabchemnitz/close_paths/meta.json
+++ b/extensions/fablabchemnitz/close_paths/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://www.cnc-club.ru/forum/download/file.php?id=94&sid=63473c1c91035bea64a8986cd1ab292c",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Close+Paths",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "Nick Drobchenko:nick@cnc-club.ru",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/color_harmony/meta.json b/extensions/fablabchemnitz/color_harmony/meta.json
index 186dd63..a34c7e0 100644
--- a/extensions/fablabchemnitz/color_harmony/meta.json
+++ b/extensions/fablabchemnitz/color_harmony/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://gitlab.com/moini_ink/color-harmony",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Color+Harmony",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "gitlab.com/moini_ink",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/colorize_path_lengths/meta.json b/extensions/fablabchemnitz/colorize_path_lengths/meta.json
index 16e86e3..d3d50e8 100644
--- a/extensions/fablabchemnitz/colorize_path_lengths/meta.json
+++ b/extensions/fablabchemnitz/colorize_path_lengths/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "http://dp48069596.lolipop.jp/sd/scripts/script_inkscape/pathselection.zip",
     "documentation_url": "https://stadtfabrikanten.org/pages/viewpage.action?pageId=55019108",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "Sunabe Kazumichi",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/contour_scanner_and_trimmer/meta.json b/extensions/fablabchemnitz/contour_scanner_and_trimmer/meta.json
index 3abbedf..8f153ba 100644
--- a/extensions/fablabchemnitz/contour_scanner_and_trimmer/meta.json
+++ b/extensions/fablabchemnitz/contour_scanner_and_trimmer/meta.json
@@ -13,7 +13,7 @@
     "fork_url": null,
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Contour+Scanner+And+Trimmer",
     "inkscape_gallery_url": "https://inkscape.org/de/~MarioVoigt/%E2%98%85contour-scanner-and-trimmer",
-    "main_authors": [
+    "contributors": [
       "github.com/eridur-de"
     ]
   }
diff --git a/extensions/fablabchemnitz/convert_to_polylines/meta.json b/extensions/fablabchemnitz/convert_to_polylines/meta.json
index 31401a0..09f18b8 100644
--- a/extensions/fablabchemnitz/convert_to_polylines/meta.json
+++ b/extensions/fablabchemnitz/convert_to_polylines/meta.json
@@ -13,7 +13,7 @@
     "fork_url": null,
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Convert+To+Polylines",
     "inkscape_gallery_url": "https://inkscape.org/~MarioVoigt/%E2%98%85convert-to-polylines",
-    "main_authors": [
+    "contributors": [
       "github.com/eridur-de"
     ]
   }
diff --git a/extensions/fablabchemnitz/convert_vertical_horizontal_to_line/meta.json b/extensions/fablabchemnitz/convert_vertical_horizontal_to_line/meta.json
index ca40d1a..7bd16d7 100644
--- a/extensions/fablabchemnitz/convert_vertical_horizontal_to_line/meta.json
+++ b/extensions/fablabchemnitz/convert_vertical_horizontal_to_line/meta.json
@@ -13,7 +13,7 @@
     "fork_url": null,
     "documentation_url": "https://stadtfabrikanten.org/pages/viewpage.action?pageId=79626259",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/eridur-de"
     ]
   }
diff --git a/extensions/fablabchemnitz/convex_hull/meta.json b/extensions/fablabchemnitz/convex_hull/meta.json
index 29a1317..c75e40b 100644
--- a/extensions/fablabchemnitz/convex_hull/meta.json
+++ b/extensions/fablabchemnitz/convex_hull/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://gist.github.com/kohlerm/0337f7c64df42f21f96405b3f8e895f2",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Convex+Hull",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/flengyel",
       "github.com/kohlerm",
       "github.com/eridur-de"
diff --git a/extensions/fablabchemnitz/cookie_cutter/meta.json b/extensions/fablabchemnitz/cookie_cutter/meta.json
index 3798f62..d491725 100644
--- a/extensions/fablabchemnitz/cookie_cutter/meta.json
+++ b/extensions/fablabchemnitz/cookie_cutter/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/arpruss/gcodeplot",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/OpenSCAD+cookie+cutter+file+output",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/arpruss",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/create_hexmap/meta.json b/extensions/fablabchemnitz/create_hexmap/meta.json
index 67d3512..9659fb6 100644
--- a/extensions/fablabchemnitz/create_hexmap/meta.json
+++ b/extensions/fablabchemnitz/create_hexmap/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/lifelike/hexmapextension",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Create+Hexmap",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/lifelike",
       "github.com/pmjdebruijn",
       "github.com/UnicodingUnicorn",
diff --git a/extensions/fablabchemnitz/create_links/meta.json b/extensions/fablabchemnitz/create_links/meta.json
index b5144bf..b4eed3a 100644
--- a/extensions/fablabchemnitz/create_links/meta.json
+++ b/extensions/fablabchemnitz/create_links/meta.json
@@ -13,7 +13,7 @@
     "fork_url": null,
     "documentation_url": "https://stadtfabrikanten.org/pages/viewpage.action?pageId=104923235",
     "inkscape_gallery_url": "https://inkscape.org/~MarioVoigt/%E2%98%85create-links-breakaway-connectors",
-    "main_authors": [
+    "contributors": [
       "github.com/eridur-de"
     ]
   }
diff --git a/extensions/fablabchemnitz/cutcraft/meta.json b/extensions/fablabchemnitz/cutcraft/meta.json
index 9b76b22..80d5b52 100644
--- a/extensions/fablabchemnitz/cutcraft/meta.json
+++ b/extensions/fablabchemnitz/cutcraft/meta.json
@@ -17,7 +17,7 @@
       "https://stadtfabrikanten.org/display/IFM/Cut-Craft+RollerBot"
       ],
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/m-matthews",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/cutting_optimizer/meta.json b/extensions/fablabchemnitz/cutting_optimizer/meta.json
index d7c5312..e8413ab 100644
--- a/extensions/fablabchemnitz/cutting_optimizer/meta.json
+++ b/extensions/fablabchemnitz/cutting_optimizer/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/thierry7100/CutOptim",
     "documentation_url": "https://stadtfabrikanten.org/pages/viewpage.action?pageId=55018148",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/thierry7100",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/delaunay_triangulation/meta.json b/extensions/fablabchemnitz/delaunay_triangulation/meta.json
index f649191..2beaf7d 100644
--- a/extensions/fablabchemnitz/delaunay_triangulation/meta.json
+++ b/extensions/fablabchemnitz/delaunay_triangulation/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://inkscape.org/~pakin/%E2%98%85delaunay-triangulation",
     "documentation_url": "",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "inkscape.org/pakin",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/delete_above/meta.json b/extensions/fablabchemnitz/delete_above/meta.json
index 608455a..cf00010 100644
--- a/extensions/fablabchemnitz/delete_above/meta.json
+++ b/extensions/fablabchemnitz/delete_above/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/glvnst/cruft/tree/master/delete_above",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Delete+Above",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/glvnst",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/destructive_clip/meta.json b/extensions/fablabchemnitz/destructive_clip/meta.json
index 0bd24d6..5006cb9 100644
--- a/extensions/fablabchemnitz/destructive_clip/meta.json
+++ b/extensions/fablabchemnitz/destructive_clip/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/funnypolynomial/DestructiveClip",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Destructive+Clip",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/funnypolynomial",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/dimensioning/meta.json b/extensions/fablabchemnitz/dimensioning/meta.json
index 8f5dca6..efea142 100644
--- a/extensions/fablabchemnitz/dimensioning/meta.json
+++ b/extensions/fablabchemnitz/dimensioning/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/Rutzmoser/inkscape_dimensioning",
     "documentation_url": "https://stadtfabrikanten.org/pages/viewpage.action?pageId=55018389",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/Rutzmoser",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/dots_to_path_points/meta.json b/extensions/fablabchemnitz/dots_to_path_points/meta.json
index 9726991..ad8c9aa 100644
--- a/extensions/fablabchemnitz/dots_to_path_points/meta.json
+++ b/extensions/fablabchemnitz/dots_to_path_points/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/chrille69/Inkscape-Extension-pathpoints2dots",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Dots+To+Path+Points",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/chrille69",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/draw_directions_tavel_moves/meta.json b/extensions/fablabchemnitz/draw_directions_tavel_moves/meta.json
index 00927f0..72da6a0 100644
--- a/extensions/fablabchemnitz/draw_directions_tavel_moves/meta.json
+++ b/extensions/fablabchemnitz/draw_directions_tavel_moves/meta.json
@@ -13,7 +13,7 @@
     "fork_url": null,
     "documentation_url": "https://stadtfabrikanten.org/pages/viewpage.action?pageId=120524682",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/eridur-de"
     ]
   }
diff --git a/extensions/fablabchemnitz/duplicate_reverse_join/meta.json b/extensions/fablabchemnitz/duplicate_reverse_join/meta.json
index 496aa83..862723c 100644
--- a/extensions/fablabchemnitz/duplicate_reverse_join/meta.json
+++ b/extensions/fablabchemnitz/duplicate_reverse_join/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://gitlab.com/EllenWasbo/inkscape-extension-duplicatereversejoin",
     "documentation_url": "https://stadtfabrikanten.org/pages/viewpage.action?pageId=120525059",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "gitlab.com/EllenWasbo",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/dxf2papercraft/meta.json b/extensions/fablabchemnitz/dxf2papercraft/meta.json
index fb49b58..23df6d3 100644
--- a/extensions/fablabchemnitz/dxf2papercraft/meta.json
+++ b/extensions/fablabchemnitz/dxf2papercraft/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/DXF+2+Papercraft",
     "inkscape_gallery_url": "https://inkscape.org/~MarioVoigt/%E2%98%85dxf2papercraft",
-    "main_authors": [
+    "contributors": [
       "sourceforge.net/haenselmann",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/dxf_dwg_importer/meta.json b/extensions/fablabchemnitz/dxf_dwg_importer/meta.json
index 9a2ca9e..db9da55 100644
--- a/extensions/fablabchemnitz/dxf_dwg_importer/meta.json
+++ b/extensions/fablabchemnitz/dxf_dwg_importer/meta.json
@@ -13,7 +13,7 @@
     "fork_url": null,
     "documentation_url": "https://stadtfabrikanten.org/pages/viewpage.action?pageId=78807535",
     "inkscape_gallery_url": "https://inkscape.org/~MarioVoigt/%E2%98%85dxfdwg-importer",
-    "main_authors": [
+    "contributors": [
       "github.com/eridur-de"
     ]
   }
diff --git a/extensions/fablabchemnitz/edit_attributes/meta.json b/extensions/fablabchemnitz/edit_attributes/meta.json
index 29fa2e5..b456316 100644
--- a/extensions/fablabchemnitz/edit_attributes/meta.json
+++ b/extensions/fablabchemnitz/edit_attributes/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://inkscape.org/~MatheM/%E2%98%85simple-attribute-editor+1",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Edit+Attributes",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "inkscape.org/MatheM",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/eggmazing/meta.json b/extensions/fablabchemnitz/eggmazing/meta.json
index 8441995..ccfd322 100644
--- a/extensions/fablabchemnitz/eggmazing/meta.json
+++ b/extensions/fablabchemnitz/eggmazing/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/evil-mad/EggBot/tree/master/inkscape_contributed",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Eggmazing",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/evil-mad",  
       "github.com/oskay", 
       "github.com/eridur-de"
diff --git a/extensions/fablabchemnitz/ellipse_by_five_points/meta.json b/extensions/fablabchemnitz/ellipse_by_five_points/meta.json
index fdfe0ba..ce3ff3c 100644
--- a/extensions/fablabchemnitz/ellipse_by_five_points/meta.json
+++ b/extensions/fablabchemnitz/ellipse_by_five_points/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "http://www.pernsteiner.org/inkscape/ellipse_5pts/",
     "documentation_url": "https://stadtfabrikanten.org/pages/viewpage.action?pageId=55019659",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "pernsteiner.org/Stuart Pernsteiner",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/epilog_dashboard_bbox_adjust/meta.json b/extensions/fablabchemnitz/epilog_dashboard_bbox_adjust/meta.json
index fbc6ea9..8929224 100644
--- a/extensions/fablabchemnitz/epilog_dashboard_bbox_adjust/meta.json
+++ b/extensions/fablabchemnitz/epilog_dashboard_bbox_adjust/meta.json
@@ -15,7 +15,7 @@
     "fork_url": null,
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Epilog+Dashboard+BBox+Adjust",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/eridur-de"
     ]
   }
diff --git a/extensions/fablabchemnitz/eraser_laser/meta.json b/extensions/fablabchemnitz/eraser_laser/meta.json
index 4cb30d7..73e9077 100644
--- a/extensions/fablabchemnitz/eraser_laser/meta.json
+++ b/extensions/fablabchemnitz/eraser_laser/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://inkscape.org/~jabiertxof/%E2%98%85eraser-layer",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Eraser+Layer",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "inkscape.org/jabiertxof",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/estucheria/meta.json b/extensions/fablabchemnitz/estucheria/meta.json
index 6297abf..217ee40 100644
--- a/extensions/fablabchemnitz/estucheria/meta.json
+++ b/extensions/fablabchemnitz/estucheria/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://gitlab.com/aljurado/packaging-inkscape-extensions",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Estucheria",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "gitlab.com/aljurado",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/exponential_distort/meta.json b/extensions/fablabchemnitz/exponential_distort/meta.json
index ba5f856..d9eeb63 100644
--- a/extensions/fablabchemnitz/exponential_distort/meta.json
+++ b/extensions/fablabchemnitz/exponential_distort/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/jnweiger/inkscape-exponential-distort",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Exponential+Distort",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/jnweiger",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/export_selection_as/meta.json b/extensions/fablabchemnitz/export_selection_as/meta.json
index 2fe4afe..06aca2a 100644
--- a/extensions/fablabchemnitz/export_selection_as/meta.json
+++ b/extensions/fablabchemnitz/export_selection_as/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/mireq/inkscape-export-selection-as-svg",
     "documentation_url": "https://stadtfabrikanten.org/pages/viewpage.action?pageId=104923223",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/mireq",  
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/fibonacci_pattern/meta.json b/extensions/fablabchemnitz/fibonacci_pattern/meta.json
index ce68aff..3d4c6a0 100644
--- a/extensions/fablabchemnitz/fibonacci_pattern/meta.json
+++ b/extensions/fablabchemnitz/fibonacci_pattern/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/mostekcm/beautyfullday_fibonaccipattern",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Fibonacci+Pattern",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/mostekcm",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/fill_rectangle_with_circles/meta.json b/extensions/fablabchemnitz/fill_rectangle_with_circles/meta.json
index ed1436a..cdc06ed 100644
--- a/extensions/fablabchemnitz/fill_rectangle_with_circles/meta.json
+++ b/extensions/fablabchemnitz/fill_rectangle_with_circles/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/thomas-guzik/inkscape-extension-fillsquarewithcircles",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Fill+Rectangle+With+Circles",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/thomas-guzik", 
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/fillet_and_chamfer/meta.json b/extensions/fablabchemnitz/fillet_and_chamfer/meta.json
index bbaf470..2e95402 100644
--- a/extensions/fablabchemnitz/fillet_and_chamfer/meta.json
+++ b/extensions/fablabchemnitz/fillet_and_chamfer/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/taoari/inkscape-filletandchamfer",
     "documentation_url": "https://stadtfabrikanten.org/pages/viewpage.action?pageId=55019889",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/taoari",  
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/filter_by_length_area/meta.json b/extensions/fablabchemnitz/filter_by_length_area/meta.json
index a48223e..11b6065 100644
--- a/extensions/fablabchemnitz/filter_by_length_area/meta.json
+++ b/extensions/fablabchemnitz/filter_by_length_area/meta.json
@@ -16,7 +16,7 @@
     "fork_url": null,
     "documentation_url": "https://stadtfabrikanten.org/pages/viewpage.action?pageId=74645969",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/eridur-de"
     ]
   }
diff --git a/extensions/fablabchemnitz/filter_to_layer/meta.json b/extensions/fablabchemnitz/filter_to_layer/meta.json
index 9b46c7a..663e8ec 100644
--- a/extensions/fablabchemnitz/filter_to_layer/meta.json
+++ b/extensions/fablabchemnitz/filter_to_layer/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://inkscape.org/~jabiertxof/%E2%98%85filter-layer",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Filter+To+Layer",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "inkscape.org/jabiertxof",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/flash_burst/meta.json b/extensions/fablabchemnitz/flash_burst/meta.json
index 89b28e8..e1b8993 100644
--- a/extensions/fablabchemnitz/flash_burst/meta.json
+++ b/extensions/fablabchemnitz/flash_burst/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/curiousmaster/hipix_inkscape_extensions",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Flash+Burst",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/curiousmaster",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/flevobezier/meta.json b/extensions/fablabchemnitz/flevobezier/meta.json
index 4b4e3ba..7a13eeb 100644
--- a/extensions/fablabchemnitz/flevobezier/meta.json
+++ b/extensions/fablabchemnitz/flevobezier/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://gitlab.com/parclytaxel/Kinross",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Flevobezier",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "gitlab.com/parclytaxel",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/flip/meta.json b/extensions/fablabchemnitz/flip/meta.json
index ce81c2e..fccf8b7 100644
--- a/extensions/fablabchemnitz/flip/meta.json
+++ b/extensions/fablabchemnitz/flip/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/aconz2/inkscape-extension-flip",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Flip",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/aconz2",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/frame_animation_sequence/meta.json b/extensions/fablabchemnitz/frame_animation_sequence/meta.json
index 4b6d85d..ce6bb86 100644
--- a/extensions/fablabchemnitz/frame_animation_sequence/meta.json
+++ b/extensions/fablabchemnitz/frame_animation_sequence/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/yttiktak/inkscape_extension_animate",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Frame+Animation+Sequence",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/yttiktak",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/fret_ruler/meta.json b/extensions/fablabchemnitz/fret_ruler/meta.json
index 431b766..6ce38b3 100644
--- a/extensions/fablabchemnitz/fret_ruler/meta.json
+++ b/extensions/fablabchemnitz/fret_ruler/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/Neon22/inkscape_fret_ruler",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Fret+Ruler",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/Neon22",   
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/fun_shapes/meta.json b/extensions/fablabchemnitz/fun_shapes/meta.json
index 4c89904..786652c 100644
--- a/extensions/fablabchemnitz/fun_shapes/meta.json
+++ b/extensions/fablabchemnitz/fun_shapes/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://inkscape.org/~inklinea/%E2%98%85funshapes",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Fun+Shapes",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "inkscape.org/inklinea",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/gcode_import/meta.json b/extensions/fablabchemnitz/gcode_import/meta.json
index 664f5ae..9df0a60 100644
--- a/extensions/fablabchemnitz/gcode_import/meta.json
+++ b/extensions/fablabchemnitz/gcode_import/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/ClayJarCom/ImportGCode",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/GCode+Import",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/ClayJarCom",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/gears/meta.json b/extensions/fablabchemnitz/gears/meta.json
index e457850..64edd0d 100644
--- a/extensions/fablabchemnitz/gears/meta.json
+++ b/extensions/fablabchemnitz/gears/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/ssentinel/inkscape-gears-dev",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Gears",
     "inkscape_gallery_url": null,
-    "main_authors": [   
+    "contributors": [   
       "github.com/ssentinel",
       "github.com/Neon22",
       "github.com/jnweiger",
diff --git a/extensions/fablabchemnitz/gears2/meta.json b/extensions/fablabchemnitz/gears2/meta.json
index 6d94f01..061be3b 100644
--- a/extensions/fablabchemnitz/gears2/meta.json
+++ b/extensions/fablabchemnitz/gears2/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/attoparsec/inkscape-extensions",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Gears2",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/attoparsec",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/generate_palette/meta.json b/extensions/fablabchemnitz/generate_palette/meta.json
index 3a2ff7d..ab12a06 100644
--- a/extensions/fablabchemnitz/generate_palette/meta.json
+++ b/extensions/fablabchemnitz/generate_palette/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/olibia/inkscape-generate-palette",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Generate+Palette",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/olibia",
       "github.com/opsaaaaa",
       "github.com/deslomator",
diff --git a/extensions/fablabchemnitz/glyph_ids/meta.json b/extensions/fablabchemnitz/glyph_ids/meta.json
index b35e4c4..3c9e561 100644
--- a/extensions/fablabchemnitz/glyph_ids/meta.json
+++ b/extensions/fablabchemnitz/glyph_ids/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://gitlab.com/EllenWasbo/inkscape-extension-getsetGlyphIDs",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Glyph+IDs",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "gitlab.com/EllenWasbo",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/gpx_import/meta.json b/extensions/fablabchemnitz/gpx_import/meta.json
index 0d42f3a..66dde8a 100644
--- a/extensions/fablabchemnitz/gpx_import/meta.json
+++ b/extensions/fablabchemnitz/gpx_import/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://git.disroot.org/monomono/inkgpx2svg",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/GPX+Import",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "inkscape.org/mono",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/gradient_saver/meta.json b/extensions/fablabchemnitz/gradient_saver/meta.json
index 2d17495..5c49889 100644
--- a/extensions/fablabchemnitz/gradient_saver/meta.json
+++ b/extensions/fablabchemnitz/gradient_saver/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/artemtech/inkscape-gradient-saver/",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Gradient+Saver",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/artemtech",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/grey_to_monoalpha/meta.json b/extensions/fablabchemnitz/grey_to_monoalpha/meta.json
index cba48c9..3ef4870 100644
--- a/extensions/fablabchemnitz/grey_to_monoalpha/meta.json
+++ b/extensions/fablabchemnitz/grey_to_monoalpha/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://gitlab.com/inklinea/grey-to-mono-alpha",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Grey+to+MonoAlpha",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "gitlab.com/inklinea",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/grid_strip_creator/meta.json b/extensions/fablabchemnitz/grid_strip_creator/meta.json
index 22e7cf4..2bc8dd5 100644
--- a/extensions/fablabchemnitz/grid_strip_creator/meta.json
+++ b/extensions/fablabchemnitz/grid_strip_creator/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/fablabnbg/inkscape-gridstripcreator",
     "documentation_url": "https://stadtfabrikanten.org/pages/viewpage.action?pageId=55018608",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/fablabnbg",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/group_to_layer/meta.json b/extensions/fablabchemnitz/group_to_layer/meta.json
index 4782f36..fa9a993 100644
--- a/extensions/fablabchemnitz/group_to_layer/meta.json
+++ b/extensions/fablabchemnitz/group_to_layer/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "http://www.pernsteiner.org/inkscape/group_to_layer/",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Group+To+Layer",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "pernsteiner.org/Stuart Pernsteiner",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/guilloche_creations/meta.json b/extensions/fablabchemnitz/guilloche_creations/meta.json
index 190b156..5e7ad9c 100644
--- a/extensions/fablabchemnitz/guilloche_creations/meta.json
+++ b/extensions/fablabchemnitz/guilloche_creations/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://inkscape.org/de/~DrWiggly/%E2%98%85guillocheextensions-for-v1x",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Guilloche+Pattern",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "inkscape.org/fluent_user",
       "inkscape.org/DrWiggly",
       "github.com/eridur-de"
diff --git a/extensions/fablabchemnitz/guillotine_plus/meta.json b/extensions/fablabchemnitz/guillotine_plus/meta.json
index fbbd087..97327e3 100644
--- a/extensions/fablabchemnitz/guillotine_plus/meta.json
+++ b/extensions/fablabchemnitz/guillotine_plus/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://inkscape.org/de/~Bootta/%E2%98%85guillotine-plus",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Guillotine+Plus",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "inkscape.org/Bootta",   
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/guitar_fretboard/meta.json b/extensions/fablabchemnitz/guitar_fretboard/meta.json
index a4199e9..06bb73a 100644
--- a/extensions/fablabchemnitz/guitar_fretboard/meta.json
+++ b/extensions/fablabchemnitz/guitar_fretboard/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/tomate44/GuitarFretboard",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Guitar+Fretboard",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/tomate44",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/hatch_fill/meta.json b/extensions/fablabchemnitz/hatch_fill/meta.json
index dff82be..44938d4 100644
--- a/extensions/fablabchemnitz/hatch_fill/meta.json
+++ b/extensions/fablabchemnitz/hatch_fill/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/dapperfu/inkscape_HatchFill2",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Hatch+Fill",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/oskay",
       "github.com/EmbeddedMan",
       "github.com/Cabalist",
diff --git a/extensions/fablabchemnitz/hatches_and_grains/meta.json b/extensions/fablabchemnitz/hatches_and_grains/meta.json
index 6e8fc75..da672f6 100644
--- a/extensions/fablabchemnitz/hatches_and_grains/meta.json
+++ b/extensions/fablabchemnitz/hatches_and_grains/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://gitlab.com/marcjeanmougin/inkscape-carto-ext",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Hatches+And+Grains",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "gitlab.com/marcjeanmougin",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/hex_tiles/meta.json b/extensions/fablabchemnitz/hex_tiles/meta.json
index 7e636ae..fac1134 100644
--- a/extensions/fablabchemnitz/hex_tiles/meta.json
+++ b/extensions/fablabchemnitz/hex_tiles/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://sourceforge.net/p/razorfoss/svn/HEAD/tree/trunk/Inkscape/LayoutGuides/",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Hex+Tiles",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "Luke Phillips:lukerazor@hotmail.com",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/ids_to_text/meta.json b/extensions/fablabchemnitz/ids_to_text/meta.json
index e1a202e..4b8ff01 100644
--- a/extensions/fablabchemnitz/ids_to_text/meta.json
+++ b/extensions/fablabchemnitz/ids_to_text/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/whiplashoo/ids_to_text_inkscape",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Ids+To+Text",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/whiplashoo",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/ifs_fractals/meta.json b/extensions/fablabchemnitz/ifs_fractals/meta.json
index 500cfeb..195a8c4 100644
--- a/extensions/fablabchemnitz/ifs_fractals/meta.json
+++ b/extensions/fablabchemnitz/ifs_fractals/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/dylex/inkscape-ifs",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/IFS+Fractals",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/dylex",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/image_triangulation/meta.json b/extensions/fablabchemnitz/image_triangulation/meta.json
index c367e09..0e9da44 100644
--- a/extensions/fablabchemnitz/image_triangulation/meta.json
+++ b/extensions/fablabchemnitz/image_triangulation/meta.json
@@ -13,7 +13,7 @@
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     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Image+Triangulation",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/nicolaromano",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/imagetracerjs/meta.json b/extensions/fablabchemnitz/imagetracerjs/meta.json
index bd66223..14c935a 100644
--- a/extensions/fablabchemnitz/imagetracerjs/meta.json
+++ b/extensions/fablabchemnitz/imagetracerjs/meta.json
@@ -13,7 +13,7 @@
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     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Imagetracer.js",
     "inkscape_gallery_url": "https://inkscape.org/~MarioVoigt/%E2%98%85imagetracerjs-for-inkscape",
-    "main_authors": [
+    "contributors": [
       "github.com/jankovicsandras",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/import_3d_mesh/meta.json b/extensions/fablabchemnitz/import_3d_mesh/meta.json
index a56066a..7a69b7a 100644
--- a/extensions/fablabchemnitz/import_3d_mesh/meta.json
+++ b/extensions/fablabchemnitz/import_3d_mesh/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://gitlab.com/inkscape/extensions",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Import+3D+Mesh",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "John Beard:john.j.beard@gmail.com",        
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/import_attributes/meta.json b/extensions/fablabchemnitz/import_attributes/meta.json
index 79c77a2..111ad1a 100644
--- a/extensions/fablabchemnitz/import_attributes/meta.json
+++ b/extensions/fablabchemnitz/import_attributes/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://inkscape.org/~MatheM/%E2%98%85simple-attribute-editor+1",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Import+Attributes",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "inkscape.org/MatheM",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/incadiff/meta.json b/extensions/fablabchemnitz/incadiff/meta.json
index 599656a..238fda9 100644
--- a/extensions/fablabchemnitz/incadiff/meta.json
+++ b/extensions/fablabchemnitz/incadiff/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/incaya/incadiff",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Incadiff",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/incaya",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/inkcut/meta.json b/extensions/fablabchemnitz/inkcut/meta.json
index 3e3bf9b..32a4867 100644
--- a/extensions/fablabchemnitz/inkcut/meta.json
+++ b/extensions/fablabchemnitz/inkcut/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/inkcut/inkcut/tree/master/plugins/inkscape",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Inkcut",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/frmdstryr",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/inklin/meta.json b/extensions/fablabchemnitz/inklin/meta.json
index 12ebcfc..83b8a6a 100644
--- a/extensions/fablabchemnitz/inklin/meta.json
+++ b/extensions/fablabchemnitz/inklin/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://inkscape.org/de/~inklinea/%E2%98%85inklin",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Inklin",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "inkscape.org/inklinea",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/inkpacking/meta.json b/extensions/fablabchemnitz/inkpacking/meta.json
index 64576cd..1d515aa 100644
--- a/extensions/fablabchemnitz/inkpacking/meta.json
+++ b/extensions/fablabchemnitz/inkpacking/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/Moini/inkpacking",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/InkPACKING",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/Moini",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/insert_paper_template/meta.json b/extensions/fablabchemnitz/insert_paper_template/meta.json
index 1bdf04c..c7c3536 100644
--- a/extensions/fablabchemnitz/insert_paper_template/meta.json
+++ b/extensions/fablabchemnitz/insert_paper_template/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://sourceforge.net/p/razorfoss/svn/HEAD/tree/trunk/Inkscape/InsertPaperTemplate/",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Insert+Paper+Template",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "Luke Phillips:lukerazor@hotmail.com",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/inset_alignment/meta.json b/extensions/fablabchemnitz/inset_alignment/meta.json
index fa2c239..4daa475 100644
--- a/extensions/fablabchemnitz/inset_alignment/meta.json
+++ b/extensions/fablabchemnitz/inset_alignment/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://sourceforge.net/p/razorfoss/svn/HEAD/tree/trunk/Inkscape/InsetAlignmentExtension/",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Inset+Alignment",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "Luke Phillips:lukerazor@hotmail.com",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/inventory_sticker/meta.json b/extensions/fablabchemnitz/inventory_sticker/meta.json
index 4c92eab..9ab8631 100644
--- a/extensions/fablabchemnitz/inventory_sticker/meta.json
+++ b/extensions/fablabchemnitz/inventory_sticker/meta.json
@@ -13,7 +13,7 @@
     "fork_url": null,
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Inventory+Sticker",
     "inkscape_gallery_url": "https://inkscape.org/de/~MarioVoigt/%E2%98%85inventory-sticker",
-    "main_authors": [
+    "contributors": [
       "github.com/eridur-de"
     ]
   }
diff --git a/extensions/fablabchemnitz/isometric_projection/meta.json b/extensions/fablabchemnitz/isometric_projection/meta.json
index 2739b97..1f53a35 100644
--- a/extensions/fablabchemnitz/isometric_projection/meta.json
+++ b/extensions/fablabchemnitz/isometric_projection/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/jdhoek/inkscape-isometric-projection",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Isometric+Projection",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/jdhoek",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/j_tech_photonics_laser_tool/meta.json b/extensions/fablabchemnitz/j_tech_photonics_laser_tool/meta.json
index ca6e851..4c064cb 100644
--- a/extensions/fablabchemnitz/j_tech_photonics_laser_tool/meta.json
+++ b/extensions/fablabchemnitz/j_tech_photonics_laser_tool/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/JTechPhotonics/J-Tech-Photonics-Laser-Tool",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/J+Tech+Photonics+Laser+Tool",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/JTechPhotonics",
       "github.com/PadLex",
       "github.com/odaki",
diff --git a/extensions/fablabchemnitz/jitter_gradients/meta.json b/extensions/fablabchemnitz/jitter_gradients/meta.json
index 1a58262..0392ab1 100644
--- a/extensions/fablabchemnitz/jitter_gradients/meta.json
+++ b/extensions/fablabchemnitz/jitter_gradients/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://inkscape.org/~vermette/%E2%98%85jitter-gradients",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Jitter+Gradients",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "inkscape.org/vermette",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/join_paths/meta.json b/extensions/fablabchemnitz/join_paths/meta.json
index fbd5498..8925667 100644
--- a/extensions/fablabchemnitz/join_paths/meta.json
+++ b/extensions/fablabchemnitz/join_paths/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/Shriinivas/inkscapejoinpaths",
     "documentation_url": "https://stadtfabrikanten.org/pages/viewpage.action?pageId=55019193",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/Shriinivas",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/jpeg_export/meta.json b/extensions/fablabchemnitz/jpeg_export/meta.json
index 8b3ec9d..10e4ddc 100644
--- a/extensions/fablabchemnitz/jpeg_export/meta.json
+++ b/extensions/fablabchemnitz/jpeg_export/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/giacmir/Inkscape-JPEG-export-extension",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/JPEG+Export",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/giacmir",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/knob_scale/meta.json b/extensions/fablabchemnitz/knob_scale/meta.json
index 6bee0d0..adb3d4b 100644
--- a/extensions/fablabchemnitz/knob_scale/meta.json
+++ b/extensions/fablabchemnitz/knob_scale/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/leechwort/knob-scale-generator",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Knob+Scale",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/leechwort",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/kvec/meta.json b/extensions/fablabchemnitz/kvec/meta.json
index 46b9725..1c28b58 100644
--- a/extensions/fablabchemnitz/kvec/meta.json
+++ b/extensions/fablabchemnitz/kvec/meta.json
@@ -13,7 +13,7 @@
     "fork_url": null,
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/KVEC",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/eridur-de"
     ]
   }
diff --git a/extensions/fablabchemnitz/label_feature_with_fill_color/meta.json b/extensions/fablabchemnitz/label_feature_with_fill_color/meta.json
index be418cf..38bdb30 100644
--- a/extensions/fablabchemnitz/label_feature_with_fill_color/meta.json
+++ b/extensions/fablabchemnitz/label_feature_with_fill_color/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://gitlab.com/christoph.fink/inkscape-extension-colour-label",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Label+Feature+With+Fill+Color",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "gitlab.com/christoph.fink",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/label_guides/meta.json b/extensions/fablabchemnitz/label_guides/meta.json
index 90f2989..ca21515 100644
--- a/extensions/fablabchemnitz/label_guides/meta.json
+++ b/extensions/fablabchemnitz/label_guides/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/johnbeard/inkscape-label-guides",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Label+Guides",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/johnbeard",
       "github.com/PaulSchulz",
       "github.com/eridur-de"
diff --git a/extensions/fablabchemnitz/laser_check/meta.json b/extensions/fablabchemnitz/laser_check/meta.json
index 5f6906d..b4d07dc 100644
--- a/extensions/fablabchemnitz/laser_check/meta.json
+++ b/extensions/fablabchemnitz/laser_check/meta.json
@@ -13,7 +13,7 @@
     "fork_url": null,
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Laser+Check",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/eridur-de"
     ]
   }
diff --git a/extensions/fablabchemnitz/lasercut_jigsaw/meta.json b/extensions/fablabchemnitz/lasercut_jigsaw/meta.json
index 7e7bdfd..56f4c8d 100644
--- a/extensions/fablabchemnitz/lasercut_jigsaw/meta.json
+++ b/extensions/fablabchemnitz/lasercut_jigsaw/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/Neon22/inkscape-jigsaw",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Lasercut+Jigsaw",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/Neon22",
       "github.com/jonadem",
       "github.com/speleo3",
diff --git a/extensions/fablabchemnitz/lasercut_polygon/meta.json b/extensions/fablabchemnitz/lasercut_polygon/meta.json
index 4f3407e..089a35f 100644
--- a/extensions/fablabchemnitz/lasercut_polygon/meta.json
+++ b/extensions/fablabchemnitz/lasercut_polygon/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/ThoreMehr/inkscape-polygon",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Lasercut+Polygon",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/ThoreMehr",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/laserdraw_export/meta.json b/extensions/fablabchemnitz/laserdraw_export/meta.json
index a9d44d8..a496802 100644
--- a/extensions/fablabchemnitz/laserdraw_export/meta.json
+++ b/extensions/fablabchemnitz/laserdraw_export/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://www.scorchworks.com/LaserDRW_extension/LaserDRW_extension-0.06.zip",
     "documentation_url": "https://stadtfabrikanten.org/pages/viewpage.action?pageId=55019345",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "scorchworks.com",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/layer_clip/meta.json b/extensions/fablabchemnitz/layer_clip/meta.json
index e9b75a0..6feb151 100644
--- a/extensions/fablabchemnitz/layer_clip/meta.json
+++ b/extensions/fablabchemnitz/layer_clip/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://gitlab.com/jczapla79/inkscape-extension-layer-clip",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Layer+Clip",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "pernsteiger.org/Stuart Pernsteiner",
       "gitlab.com/jczapla79",
       "github.com/eridur-de"
diff --git a/extensions/fablabchemnitz/leather_case/meta.json b/extensions/fablabchemnitz/leather_case/meta.json
index d39a8b7..2044d16 100644
--- a/extensions/fablabchemnitz/leather_case/meta.json
+++ b/extensions/fablabchemnitz/leather_case/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/zerjillo/laserCutInkscapeExtensions",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Leather+Case",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/zerjillo",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/line_animator/meta.json b/extensions/fablabchemnitz/line_animator/meta.json
index 2ad092a..41c3116 100644
--- a/extensions/fablabchemnitz/line_animator/meta.json
+++ b/extensions/fablabchemnitz/line_animator/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://gitlab.com/Moini/ink_line_animator",
     "documentation_url": "",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "gitlab.com/Moini",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/line_shading/meta.json b/extensions/fablabchemnitz/line_shading/meta.json
index 156d6c3..81a5a62 100644
--- a/extensions/fablabchemnitz/line_shading/meta.json
+++ b/extensions/fablabchemnitz/line_shading/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://endurancelasers.com/download/Endurance_Line_Shading.rar",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Line+Shading",
     "inkscape_gallery_url": null,
-    "main_authors": [    
+    "contributors": [    
       "dnkxyz@gmail.com",
       "gf@endurancerobots.com",
       "github.com/eridur-de"
diff --git a/extensions/fablabchemnitz/living_hinge/meta.json b/extensions/fablabchemnitz/living_hinge/meta.json
index 553016e..2c30339 100644
--- a/extensions/fablabchemnitz/living_hinge/meta.json
+++ b/extensions/fablabchemnitz/living_hinge/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/siteswapjuggler/Inkscape_LivingHinge",
     "documentation_url": "https://stadtfabrikanten.org/pages/viewpage.action?pageId=55018530",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/drphonon",
       "github.com/siteswapjuggler",
       "github.com/eridur-de"
diff --git a/extensions/fablabchemnitz/living_hinge_size_input/meta.json b/extensions/fablabchemnitz/living_hinge_size_input/meta.json
index 07b536b..a77bb75 100644
--- a/extensions/fablabchemnitz/living_hinge_size_input/meta.json
+++ b/extensions/fablabchemnitz/living_hinge_size_input/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/zerjillo/laserCutInkscapeExtensions",
     "documentation_url": "https://stadtfabrikanten.org/pages/viewpage.action?pageId=55019631",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/zerjillo",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/longest_continuous_path/meta.json b/extensions/fablabchemnitz/longest_continuous_path/meta.json
index 793e168..aac01e2 100644
--- a/extensions/fablabchemnitz/longest_continuous_path/meta.json
+++ b/extensions/fablabchemnitz/longest_continuous_path/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/Daekkyn/inkscapeOptimizePath",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Longest+Continuous+Path",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/Daekkyn",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/low_poly_2/meta.json b/extensions/fablabchemnitz/low_poly_2/meta.json
index b32267e..2b3da28 100644
--- a/extensions/fablabchemnitz/low_poly_2/meta.json
+++ b/extensions/fablabchemnitz/low_poly_2/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/miffysora/Inkscape",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Low+Poly+2",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/miffysora",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/maze/meta.json b/extensions/fablabchemnitz/maze/meta.json
index e1ac2ba..a19fc46 100644
--- a/extensions/fablabchemnitz/maze/meta.json
+++ b/extensions/fablabchemnitz/maze/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://inkscape.org/de/~thjazi/%E2%98%85maze",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Maze",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "inkscape.org/thjazi",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/meta.json b/extensions/fablabchemnitz/meta.json
index 77aee9a..3ce3d99 100644
--- a/extensions/fablabchemnitz/meta.json
+++ b/extensions/fablabchemnitz/meta.json
@@ -12,7 +12,7 @@
     "fork_url": null,
     "documentation_url": "",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/eridur-de"
     ]
   }
diff --git a/extensions/fablabchemnitz/meta_explanation.json b/extensions/fablabchemnitz/meta_explanation.json
index 966b75d..7d831e4 100644
--- a/extensions/fablabchemnitz/meta_explanation.json
+++ b/extensions/fablabchemnitz/meta_explanation.json
@@ -15,7 +15,7 @@
     "fork_url": "the URL where the original data comes from, like github.com or gitlab.com",
     "documentation_url": "the URL where MightyScape documentation can be found",
     "inkscape_gallery_url": "the URL for the gallery location. Set to 'null' if it's not listed in the gallery",
-    "main_authors": [
+    "contributors": [
       "a comma separated list of authors which work(ed) on the extension. We use either an email address and/or pattern '<platform>/<user name or full name>:<mailbox@tl.domaind>'"
     ]
   }
diff --git a/extensions/fablabchemnitz/mirror/meta.json b/extensions/fablabchemnitz/mirror/meta.json
index c9a87be..88f0675 100644
--- a/extensions/fablabchemnitz/mirror/meta.json
+++ b/extensions/fablabchemnitz/mirror/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://inkscape.org/~jeko/%E2%98%85mirror",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Mirror",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "inkscape.org/jeko",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/move_path_node/meta.json b/extensions/fablabchemnitz/move_path_node/meta.json
index a1a3e05..6b069c4 100644
--- a/extensions/fablabchemnitz/move_path_node/meta.json
+++ b/extensions/fablabchemnitz/move_path_node/meta.json
@@ -13,7 +13,7 @@
     "fork_url": null,
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Move+Path+Node",
     "inkscape_gallery_url": "https://inkscape.org/~MarioVoigt/%E2%98%85move-path-node",
-    "main_authors": [
+    "contributors": [
       "github.com/eridur-de"
     ]
   }
diff --git a/extensions/fablabchemnitz/mutual_cut_line/meta.json b/extensions/fablabchemnitz/mutual_cut_line/meta.json
index 96ebf5e..814afb9 100644
--- a/extensions/fablabchemnitz/mutual_cut_line/meta.json
+++ b/extensions/fablabchemnitz/mutual_cut_line/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/garykac/pathmonkey",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Mutual+Cut+Line",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/garykac",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/netting/meta.json b/extensions/fablabchemnitz/netting/meta.json
index f16ed1d..3f089d5 100644
--- a/extensions/fablabchemnitz/netting/meta.json
+++ b/extensions/fablabchemnitz/netting/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "http://dp48069596.lolipop.jp/sd/scripts/script_inkscape/netting.zip",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Netting",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "Sunabe Kazumichi",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/nextgenerator/meta.json b/extensions/fablabchemnitz/nextgenerator/meta.json
index 51ec780..e0d5969 100644
--- a/extensions/fablabchemnitz/nextgenerator/meta.json
+++ b/extensions/fablabchemnitz/nextgenerator/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://gitlab.com/Moini/nextgenerator",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/NextGenerator",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "Aurélio A. Heckert",  
       "gitlab.com/Moini",
       "github.com/eridur-de"
diff --git a/extensions/fablabchemnitz/normalize_drawing_scale/meta.json b/extensions/fablabchemnitz/normalize_drawing_scale/meta.json
index 402ac9a..07df3e2 100644
--- a/extensions/fablabchemnitz/normalize_drawing_scale/meta.json
+++ b/extensions/fablabchemnitz/normalize_drawing_scale/meta.json
@@ -13,7 +13,7 @@
     "fork_url": null,
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Normale+Drawing+Scale",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/eridur-de"
     ]
   }
diff --git a/extensions/fablabchemnitz/number_subpaths/meta.json b/extensions/fablabchemnitz/number_subpaths/meta.json
index d2a6672..c88410d 100644
--- a/extensions/fablabchemnitz/number_subpaths/meta.json
+++ b/extensions/fablabchemnitz/number_subpaths/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://gitlab.com/EllenWasbo/inkscape-extension-number-subpaths",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Number+Subpaths",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "gitlab.com/EllenWasbo",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/ocr/meta.json b/extensions/fablabchemnitz/ocr/meta.json
index d78dbf6..5e86747 100644
--- a/extensions/fablabchemnitz/ocr/meta.json
+++ b/extensions/fablabchemnitz/ocr/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/amal-san/inkscape-ocr",
     "documentation_url": "https://stadtfabrikanten.org/pages/viewpage.action?pageId=114524275",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/eridur-de"
     ]
   }
diff --git a/extensions/fablabchemnitz/offset_paths/meta.json b/extensions/fablabchemnitz/offset_paths/meta.json
index 5277267..9278a10 100644
--- a/extensions/fablabchemnitz/offset_paths/meta.json
+++ b/extensions/fablabchemnitz/offset_paths/meta.json
@@ -13,7 +13,7 @@
     "fork_url": null,
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Offset+Paths",
     "inkscape_gallery_url": "https://inkscape.org/de/~MarioVoigt/%E2%98%85offset-paths",
-    "main_authors": [
+    "contributors": [
       "github.com/eridur-de"
     ]
   }
diff --git a/extensions/fablabchemnitz/open_closed_path/meta.json b/extensions/fablabchemnitz/open_closed_path/meta.json
index 1467e38..14d2935 100644
--- a/extensions/fablabchemnitz/open_closed_path/meta.json
+++ b/extensions/fablabchemnitz/open_closed_path/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://gitlab.com/EllenWasbo/inkscape-extension-openpaths",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Open+Closed+Path",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "gitlab.com/EllenWasbo",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/open_dir/meta.json b/extensions/fablabchemnitz/open_dir/meta.json
index 89ba163..923994b 100644
--- a/extensions/fablabchemnitz/open_dir/meta.json
+++ b/extensions/fablabchemnitz/open_dir/meta.json
@@ -13,7 +13,7 @@
     "fork_url": null,
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Open+Extension+Directory",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/eridur-de"
     ]
   }
diff --git a/extensions/fablabchemnitz/open_in_roland_cutstudio/meta.json b/extensions/fablabchemnitz/open_in_roland_cutstudio/meta.json
index 60d96a0..ffbcb24 100644
--- a/extensions/fablabchemnitz/open_in_roland_cutstudio/meta.json
+++ b/extensions/fablabchemnitz/open_in_roland_cutstudio/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/mgmax/inkscape-roland-cutstudio",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Open+in+Roland+CutStudio",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/mgmax",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/optimize_sequence_lasercut_sequence/meta.json b/extensions/fablabchemnitz/optimize_sequence_lasercut_sequence/meta.json
index 90dafcc..191d6c9 100644
--- a/extensions/fablabchemnitz/optimize_sequence_lasercut_sequence/meta.json
+++ b/extensions/fablabchemnitz/optimize_sequence_lasercut_sequence/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/L0laapk3/inkscape-laser-sequence-extension",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Optimize+Sequence%3A+Small+Holes+First",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/L0laapk3",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/optimize_sequence_travel_distance/meta.json b/extensions/fablabchemnitz/optimize_sequence_travel_distance/meta.json
index 8074a05..b87dd08 100644
--- a/extensions/fablabchemnitz/optimize_sequence_travel_distance/meta.json
+++ b/extensions/fablabchemnitz/optimize_sequence_travel_distance/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/evil-mad/EggBot",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Optimize+Sequence%3A+Travel+Distances",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/evil-mad",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/origami_patterns/meta.json b/extensions/fablabchemnitz/origami_patterns/meta.json
index 44b8b9e..039188f 100644
--- a/extensions/fablabchemnitz/origami_patterns/meta.json
+++ b/extensions/fablabchemnitz/origami_patterns/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/evbernardes/Origami_Patterns",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Origami+Patterns",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/evbernardes",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/output_pro/meta.json b/extensions/fablabchemnitz/output_pro/meta.json
index aa60977..9259c41 100644
--- a/extensions/fablabchemnitz/output_pro/meta.json
+++ b/extensions/fablabchemnitz/output_pro/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/jonata/Inkscape-OUTPUT-PRO",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Output+Pro+for+Inkscape",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/jonata",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/papercraft_unfold/meta.json b/extensions/fablabchemnitz/papercraft_unfold/meta.json
index a8832b7..95863bc 100644
--- a/extensions/fablabchemnitz/papercraft_unfold/meta.json
+++ b/extensions/fablabchemnitz/papercraft_unfold/meta.json
@@ -13,7 +13,7 @@
     "fork_url": null,
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Papercraft+Unfold",
     "inkscape_gallery_url": "https://inkscape.org/de/~MarioVoigt/%E2%98%85papercraft-unfold",
-    "main_authors": [
+    "contributors": [
       "github.com/osresearch",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/paperfold/meta.json b/extensions/fablabchemnitz/paperfold/meta.json
index 5ae96ed..c59b126 100644
--- a/extensions/fablabchemnitz/paperfold/meta.json
+++ b/extensions/fablabchemnitz/paperfold/meta.json
@@ -13,7 +13,7 @@
     "fork_url": null,
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Paperfold",
     "inkscape_gallery_url": "https://inkscape.org/~MarioVoigt/%E2%98%85paperfold",
-    "main_authors": [
+    "contributors": [
       "github.com/felixfeliz",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/parabola/meta.json b/extensions/fablabchemnitz/parabola/meta.json
index 0f5e273..7f86412 100644
--- a/extensions/fablabchemnitz/parabola/meta.json
+++ b/extensions/fablabchemnitz/parabola/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/opensourcebear/inkscape-extension-parabola",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Parabola",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/opensourcebear",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/parabola_2/meta.json b/extensions/fablabchemnitz/parabola_2/meta.json
index 67e5c7f..22881b2 100644
--- a/extensions/fablabchemnitz/parabola_2/meta.json
+++ b/extensions/fablabchemnitz/parabola_2/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/opensourcebear/inkscape-extension-parabola",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Parabola+2",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/opensourcebear",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/parallel_translation/meta.json b/extensions/fablabchemnitz/parallel_translation/meta.json
index 4159d7a..9adb4f3 100644
--- a/extensions/fablabchemnitz/parallel_translation/meta.json
+++ b/extensions/fablabchemnitz/parallel_translation/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/chris0371/parallel-translation_extension",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Parallel+Translation",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/chris0371",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/path_intersections/meta.json b/extensions/fablabchemnitz/path_intersections/meta.json
index 1112052..b466351 100644
--- a/extensions/fablabchemnitz/path_intersections/meta.json
+++ b/extensions/fablabchemnitz/path_intersections/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://python.hotexamples.com/de/site/file?hash=0x3005162b28d022be32458df2259016982d4fcd5657f8339f79e63614a0b5494d&fullName=precut.py&project=starshipfactory/precut",
     "documentation_url": "",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/starshipfactory",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/pathops/meta.json b/extensions/fablabchemnitz/pathops/meta.json
index 38b5b21..0041c47 100644
--- a/extensions/fablabchemnitz/pathops/meta.json
+++ b/extensions/fablabchemnitz/pathops/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://gitlab.com/moini_ink/inx-pathops",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/PathOps",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "gitlab.com/su-v",
       "gitlab.com/moini_ink",
       "github.com/eridur-de"
diff --git a/extensions/fablabchemnitz/paths_to_lowlevel_strokes/meta.json b/extensions/fablabchemnitz/paths_to_lowlevel_strokes/meta.json
index 7270e9c..c5dd9c7 100644
--- a/extensions/fablabchemnitz/paths_to_lowlevel_strokes/meta.json
+++ b/extensions/fablabchemnitz/paths_to_lowlevel_strokes/meta.json
@@ -13,7 +13,7 @@
     "fork_url": null,
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Paths+To+Lowlevel+Strokes",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/eridur-de"
     ]
   }
diff --git a/extensions/fablabchemnitz/paths_to_openscad/meta.json b/extensions/fablabchemnitz/paths_to_openscad/meta.json
index 187a392..f39f89c 100644
--- a/extensions/fablabchemnitz/paths_to_openscad/meta.json
+++ b/extensions/fablabchemnitz/paths_to_openscad/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/fablabnbg/inkscape-paths2openscad",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Paths+to+OpenSCAD",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/l0b0",
       "github.com/fablabnbg",
       "github.com/eridur-de"
diff --git a/extensions/fablabchemnitz/perspective_grid/meta.json b/extensions/fablabchemnitz/perspective_grid/meta.json
index e64d961..6a345d4 100644
--- a/extensions/fablabchemnitz/perspective_grid/meta.json
+++ b/extensions/fablabchemnitz/perspective_grid/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/cds4/inkscape-grids",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Perspective+Grid",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/cds4",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/piano_scale/meta.json b/extensions/fablabchemnitz/piano_scale/meta.json
index e8a84c7..f1a2e88 100644
--- a/extensions/fablabchemnitz/piano_scale/meta.json
+++ b/extensions/fablabchemnitz/piano_scale/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://inkscape.org/~Neon22/%E2%98%85pianoscale",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Piano+Scale",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/piroxiljin",
       "github.com/Neon22",
       "github.com/eridur-de"
diff --git a/extensions/fablabchemnitz/pixel2svg/meta.json b/extensions/fablabchemnitz/pixel2svg/meta.json
index f3d49da..effffef 100644
--- a/extensions/fablabchemnitz/pixel2svg/meta.json
+++ b/extensions/fablabchemnitz/pixel2svg/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "ttps://gitlab.com/su-v/inx-pixel2svg",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Pixel2SVG",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "gitlab.com/su-v",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/pixels2objects/meta.json b/extensions/fablabchemnitz/pixels2objects/meta.json
index 833f9b5..b1423c1 100644
--- a/extensions/fablabchemnitz/pixels2objects/meta.json
+++ b/extensions/fablabchemnitz/pixels2objects/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://inkscape.org/~pakin/%E2%98%85pixels-to-objects",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Pixels+To+Objects",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "inkscape.org/pakin",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/playing_cards/meta.json b/extensions/fablabchemnitz/playing_cards/meta.json
index c769673..aadb8ad 100644
--- a/extensions/fablabchemnitz/playing_cards/meta.json
+++ b/extensions/fablabchemnitz/playing_cards/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/DerElam/inkscape-extension-playing-cards",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Playing+Cards",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/DerElam",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/plycutter/meta.json b/extensions/fablabchemnitz/plycutter/meta.json
index 2550458..68180e9 100644
--- a/extensions/fablabchemnitz/plycutter/meta.json
+++ b/extensions/fablabchemnitz/plycutter/meta.json
@@ -13,7 +13,7 @@
     "fork_url": null,
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/PlyCutter",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/tjltjl",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/polygon_side/meta.json b/extensions/fablabchemnitz/polygon_side/meta.json
index 91123e2..a2a0b14 100644
--- a/extensions/fablabchemnitz/polygon_side/meta.json
+++ b/extensions/fablabchemnitz/polygon_side/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://inkscape.org/de/~inklinea/%E2%98%85polygon-side",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Polygon+Side",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "inkscape.org/inklinea",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/polyhedra/meta.json b/extensions/fablabchemnitz/polyhedra/meta.json
index 3915e08..79fe790 100644
--- a/extensions/fablabchemnitz/polyhedra/meta.json
+++ b/extensions/fablabchemnitz/polyhedra/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "http://www.fabhub.net/entry.php?27-Polyhedra-addiction",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Polyhedra",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "jmanton@illinois.edu",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/primitive/meta.json b/extensions/fablabchemnitz/primitive/meta.json
index 70f3f09..eee80d2 100644
--- a/extensions/fablabchemnitz/primitive/meta.json
+++ b/extensions/fablabchemnitz/primitive/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/fogleman/primitive",
     "documentation_url": "https://stadtfabrikanten.org/pages/viewpage.action?pageId=78807580",
     "inkscape_gallery_url": "https://inkscape.org/~MarioVoigt/%E2%98%85primitive-for-inkscape",
-    "main_authors": [
+    "contributors": [
       "github.com/eridur-de"
     ]
   }
diff --git a/extensions/fablabchemnitz/printing_marks_dotted/meta.json b/extensions/fablabchemnitz/printing_marks_dotted/meta.json
index bf47ab1..1a3deeb 100644
--- a/extensions/fablabchemnitz/printing_marks_dotted/meta.json
+++ b/extensions/fablabchemnitz/printing_marks_dotted/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://inkscape.org/~jabiertxof/%E2%98%85printing-marks-dotted",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Printing+Marks+Dotted",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "inkscape.org/jabiertxof",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/psd_export/meta.json b/extensions/fablabchemnitz/psd_export/meta.json
index ea1d31a..eb4af82 100644
--- a/extensions/fablabchemnitz/psd_export/meta.json
+++ b/extensions/fablabchemnitz/psd_export/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/junichi11/gimp_psd",
     "documentation_url": "https://stadtfabrikanten.org/pages/viewpage.action?pageId=120525412",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/junichi11",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/purge_duplicate_path_nodes/meta.json b/extensions/fablabchemnitz/purge_duplicate_path_nodes/meta.json
index 2d9c48c..5cd5d12 100644
--- a/extensions/fablabchemnitz/purge_duplicate_path_nodes/meta.json
+++ b/extensions/fablabchemnitz/purge_duplicate_path_nodes/meta.json
@@ -13,7 +13,7 @@
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     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Purge+Duplicate+Path+Nodes",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "gitlab.com/EllenWasbo",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/purge_duplicate_path_segments/meta.json b/extensions/fablabchemnitz/purge_duplicate_path_segments/meta.json
index bdc6e53..6ffab79 100644
--- a/extensions/fablabchemnitz/purge_duplicate_path_segments/meta.json
+++ b/extensions/fablabchemnitz/purge_duplicate_path_segments/meta.json
@@ -13,7 +13,7 @@
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     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Purge+Duplicate+Path+Segments",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/eridur-de"
     ]
   }
diff --git a/extensions/fablabchemnitz/purge_pointy_paths/meta.json b/extensions/fablabchemnitz/purge_pointy_paths/meta.json
index 2f2a918..525a9c9 100644
--- a/extensions/fablabchemnitz/purge_pointy_paths/meta.json
+++ b/extensions/fablabchemnitz/purge_pointy_paths/meta.json
@@ -13,7 +13,7 @@
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     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Purge+Pointy+Paths",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/eridur-de"
     ]
   }
diff --git a/extensions/fablabchemnitz/quick_joint/meta.json b/extensions/fablabchemnitz/quick_joint/meta.json
index 8f78477..0aa1f01 100644
--- a/extensions/fablabchemnitz/quick_joint/meta.json
+++ b/extensions/fablabchemnitz/quick_joint/meta.json
@@ -13,7 +13,7 @@
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     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Quick+Joint",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/JarrettR",
       "github.com/eridur-de"
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diff --git a/extensions/fablabchemnitz/random_delete/meta.json b/extensions/fablabchemnitz/random_delete/meta.json
index 935b7dc..6a12741 100644
--- a/extensions/fablabchemnitz/random_delete/meta.json
+++ b/extensions/fablabchemnitz/random_delete/meta.json
@@ -13,7 +13,7 @@
     "fork_url": null,
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Random+Delete",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/eridur-de"
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   }
diff --git a/extensions/fablabchemnitz/random_line/meta.json b/extensions/fablabchemnitz/random_line/meta.json
index e8fbd7c..5bd2922 100644
--- a/extensions/fablabchemnitz/random_line/meta.json
+++ b/extensions/fablabchemnitz/random_line/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/opensourcebear/inkscape-extension-random-line",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Random+Line",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/opensourcebear",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/raster_perspective/meta.json b/extensions/fablabchemnitz/raster_perspective/meta.json
index 0167fba..5cfaea7 100644
--- a/extensions/fablabchemnitz/raster_perspective/meta.json
+++ b/extensions/fablabchemnitz/raster_perspective/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/s1291/InkRasterPerspective",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Raster+Perspective",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/s1291"
     ]
   }
diff --git a/extensions/fablabchemnitz/ratchet/meta.json b/extensions/fablabchemnitz/ratchet/meta.json
index d537428..64f6dd7 100644
--- a/extensions/fablabchemnitz/ratchet/meta.json
+++ b/extensions/fablabchemnitz/ratchet/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/kie27/draw_ratchet",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Ratchet",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/kie27",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/raytracing/meta.json b/extensions/fablabchemnitz/raytracing/meta.json
index bfbf5bb..55980b1 100644
--- a/extensions/fablabchemnitz/raytracing/meta.json
+++ b/extensions/fablabchemnitz/raytracing/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/damienBloch/inkscape-raytracing",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Ray+Tracing",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/damienBloch",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/reload/meta.json b/extensions/fablabchemnitz/reload/meta.json
index 392f9db..96d3a94 100644
--- a/extensions/fablabchemnitz/reload/meta.json
+++ b/extensions/fablabchemnitz/reload/meta.json
@@ -13,7 +13,7 @@
     "fork_url": null,
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Reload",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/eridur-de"
     ]
   }
diff --git a/extensions/fablabchemnitz/remove_duplicate_guides/meta.json b/extensions/fablabchemnitz/remove_duplicate_guides/meta.json
index ca6afd9..5f91e54 100644
--- a/extensions/fablabchemnitz/remove_duplicate_guides/meta.json
+++ b/extensions/fablabchemnitz/remove_duplicate_guides/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://sourceforge.net/p/razorfoss/svn/HEAD/tree/trunk/Inkscape/RemoveDuplicateGuides",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Remove+Duplicate+Guides",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "Luke Phillips:lukerazor@hotmail.com",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/remove_duplicate_line_segments/meta.json b/extensions/fablabchemnitz/remove_duplicate_line_segments/meta.json
index 866b8ff..94f32e4 100644
--- a/extensions/fablabchemnitz/remove_duplicate_line_segments/meta.json
+++ b/extensions/fablabchemnitz/remove_duplicate_line_segments/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://gitlab.com/EllenWasbo/inkscape-extension-removeduplicatelines",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Remove+Duplicate+Lines",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "gitlab.com/EllenWasbo",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/remove_empty_groups/meta.json b/extensions/fablabchemnitz/remove_empty_groups/meta.json
index cb48be2..e08f2e4 100644
--- a/extensions/fablabchemnitz/remove_empty_groups/meta.json
+++ b/extensions/fablabchemnitz/remove_empty_groups/meta.json
@@ -13,7 +13,7 @@
     "fork_url": null,
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Remove+Empty+Groups",
     "inkscape_gallery_url": "https://inkscape.org/de/~MarioVoigt/%E2%98%85remove-empty-groups",
-    "main_authors": [
+    "contributors": [
       "github.com/eridur-de"
     ]
   }
diff --git a/extensions/fablabchemnitz/remove_obsolete_attributes/meta.json b/extensions/fablabchemnitz/remove_obsolete_attributes/meta.json
index 7ee630a..3c9b761 100644
--- a/extensions/fablabchemnitz/remove_obsolete_attributes/meta.json
+++ b/extensions/fablabchemnitz/remove_obsolete_attributes/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://inkscape.org/~MatheM/%E2%98%85simple-attribute-editor+1",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Remove+Obsolete+Attributes",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "inkscape.org/MatheM",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/render_silhouette_regmarks/meta.json b/extensions/fablabchemnitz/render_silhouette_regmarks/meta.json
index 2b25ac4..cf22992 100644
--- a/extensions/fablabchemnitz/render_silhouette_regmarks/meta.json
+++ b/extensions/fablabchemnitz/render_silhouette_regmarks/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/miLORD1337/silhouette-regmarks",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Silhouette+Cameo+Registration+Marks",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/miLORD1337",
       "github.com/eridur-de"
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diff --git a/extensions/fablabchemnitz/replace_color_and_alpha/meta.json b/extensions/fablabchemnitz/replace_color_and_alpha/meta.json
index 6f3ba3e..40441d0 100644
--- a/extensions/fablabchemnitz/replace_color_and_alpha/meta.json
+++ b/extensions/fablabchemnitz/replace_color_and_alpha/meta.json
@@ -13,7 +13,7 @@
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     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Replace+Color+And+Alpha",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "inkscape.org/jabiertxof",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/reverse_order_of_subpaths/meta.json b/extensions/fablabchemnitz/reverse_order_of_subpaths/meta.json
index a39393a..4b08fc1 100644
--- a/extensions/fablabchemnitz/reverse_order_of_subpaths/meta.json
+++ b/extensions/fablabchemnitz/reverse_order_of_subpaths/meta.json
@@ -13,7 +13,7 @@
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     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Reverse+Order+Of+Subpaths",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "gitlab.com/EllenWasbo",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/robot_boxes/meta.json b/extensions/fablabchemnitz/robot_boxes/meta.json
index 1e873df..32bcf26 100644
--- a/extensions/fablabchemnitz/robot_boxes/meta.json
+++ b/extensions/fablabchemnitz/robot_boxes/meta.json
@@ -13,7 +13,7 @@
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     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Robot+Boxes",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/sadr0b0t",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/roland_cutstudio_eps_export/meta.json b/extensions/fablabchemnitz/roland_cutstudio_eps_export/meta.json
index 3d71815..c2de647 100644
--- a/extensions/fablabchemnitz/roland_cutstudio_eps_export/meta.json
+++ b/extensions/fablabchemnitz/roland_cutstudio_eps_export/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/mgmax/inkscape-roland-cutstudio",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/MightyScape+1.X+-+Extensions+Overview",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/mgmax",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/rotations/meta.json b/extensions/fablabchemnitz/rotations/meta.json
index ddb3744..6700dd7 100644
--- a/extensions/fablabchemnitz/rotations/meta.json
+++ b/extensions/fablabchemnitz/rotations/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/hobzcalvin/LaserPrep",
     "documentation_url": "",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/hobzcalvin",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/round_corners/meta.json b/extensions/fablabchemnitz/round_corners/meta.json
index 58bac58..decb2b2 100644
--- a/extensions/fablabchemnitz/round_corners/meta.json
+++ b/extensions/fablabchemnitz/round_corners/meta.json
@@ -13,7 +13,7 @@
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     "documentation_url": "https://stadtfabrikanten.org/pages/viewpage.action?pageId=94175520",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/jnweiger",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/rounder/meta.json b/extensions/fablabchemnitz/rounder/meta.json
index da4893a..6216329 100644
--- a/extensions/fablabchemnitz/rounder/meta.json
+++ b/extensions/fablabchemnitz/rounder/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://inkscape.org/~jabiertxof/%E2%98%85rounder-04",
     "documentation_url": "",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "inkscape.org/jabiertxof",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/scale_to_path_length/meta.json b/extensions/fablabchemnitz/scale_to_path_length/meta.json
index 2851c0b..1446edc 100644
--- a/extensions/fablabchemnitz/scale_to_path_length/meta.json
+++ b/extensions/fablabchemnitz/scale_to_path_length/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/Shriinivas/inkscapepastelength",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Scale+To+Path+Length",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/Shriinivas",  
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/scale_to_real/meta.json b/extensions/fablabchemnitz/scale_to_real/meta.json
index a987e6b..f829d09 100644
--- a/extensions/fablabchemnitz/scale_to_real/meta.json
+++ b/extensions/fablabchemnitz/scale_to_real/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://gitlab.com/Moini/inkscape-realscale-extension",
     "documentation_url": "",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "gitlab.com/Moini",  
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/scale_to_size/meta.json b/extensions/fablabchemnitz/scale_to_size/meta.json
index 8668518..3fb7159 100644
--- a/extensions/fablabchemnitz/scale_to_size/meta.json
+++ b/extensions/fablabchemnitz/scale_to_size/meta.json
@@ -13,7 +13,7 @@
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     "documentation_url": "https://stadtfabrikanten.org/pages/viewpage.action?pageId=76054572",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/eridur-de"
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diff --git a/extensions/fablabchemnitz/set_css_class/meta.json b/extensions/fablabchemnitz/set_css_class/meta.json
index 84e2047..7d68570 100644
--- a/extensions/fablabchemnitz/set_css_class/meta.json
+++ b/extensions/fablabchemnitz/set_css_class/meta.json
@@ -13,7 +13,7 @@
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     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Set+CSS+Class+On+Elements",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/monomon",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/set_view_box/meta.json b/extensions/fablabchemnitz/set_view_box/meta.json
index 3b1a45f..9b839ea 100644
--- a/extensions/fablabchemnitz/set_view_box/meta.json
+++ b/extensions/fablabchemnitz/set_view_box/meta.json
@@ -13,7 +13,7 @@
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     "documentation_url": "https://stadtfabrikanten.org/pages/viewpage.action?pageId=74645779",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "pernsteiger.org/Stuart Pernsteiner",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/shape_recognition/meta.json b/extensions/fablabchemnitz/shape_recognition/meta.json
index 4f01e77..1352213 100644
--- a/extensions/fablabchemnitz/shape_recognition/meta.json
+++ b/extensions/fablabchemnitz/shape_recognition/meta.json
@@ -13,7 +13,7 @@
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     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Shape+Recognition",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "gitlab.com/qpad",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/shapes/meta.json b/extensions/fablabchemnitz/shapes/meta.json
index 0eebecc..3b19d6e 100644
--- a/extensions/fablabchemnitz/shapes/meta.json
+++ b/extensions/fablabchemnitz/shapes/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://www.arakne.es/en/inkscape-1-0-shapes-extension-new-version/",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Shapes",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "inkscape.org/pacogarcia",
       "github.com/eridur-de"
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diff --git a/extensions/fablabchemnitz/sheet_metal_conus/meta.json b/extensions/fablabchemnitz/sheet_metal_conus/meta.json
index 8b1c87a..360da1f 100644
--- a/extensions/fablabchemnitz/sheet_metal_conus/meta.json
+++ b/extensions/fablabchemnitz/sheet_metal_conus/meta.json
@@ -13,7 +13,7 @@
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     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Sheet+Metal+Conus",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/quirxi",
       "github.com/Neon22",
       "github.com/eridur-de"
diff --git a/extensions/fablabchemnitz/sheriff_star/meta.json b/extensions/fablabchemnitz/sheriff_star/meta.json
index 83b5c9d..f5e8b49 100644
--- a/extensions/fablabchemnitz/sheriff_star/meta.json
+++ b/extensions/fablabchemnitz/sheriff_star/meta.json
@@ -13,7 +13,7 @@
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     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Sheriff+Star",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/garykac",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/shirt_waist/meta.json b/extensions/fablabchemnitz/shirt_waist/meta.json
index 93b4e5c..a622d7f 100644
--- a/extensions/fablabchemnitz/shirt_waist/meta.json
+++ b/extensions/fablabchemnitz/shirt_waist/meta.json
@@ -13,7 +13,7 @@
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     "documentation_url": "https://stadtfabrikanten.org/pages/viewpage.action?pageId=55018402",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "taumeta.org/Susan Spencer",
       "taumeta.org/Steve Conklin",
       "github.com/eridur-de"
diff --git a/extensions/fablabchemnitz/show_path_coordinates/meta.json b/extensions/fablabchemnitz/show_path_coordinates/meta.json
index a72aa25..aa602d8 100644
--- a/extensions/fablabchemnitz/show_path_coordinates/meta.json
+++ b/extensions/fablabchemnitz/show_path_coordinates/meta.json
@@ -13,7 +13,7 @@
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     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Show+Path+Coordinates",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/jwcliff",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/simple_frame/meta.json b/extensions/fablabchemnitz/simple_frame/meta.json
index eea060c..dd1f2ed 100644
--- a/extensions/fablabchemnitz/simple_frame/meta.json
+++ b/extensions/fablabchemnitz/simple_frame/meta.json
@@ -13,7 +13,7 @@
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     "documentation_url": "",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/redentis",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/simple_registration/meta.json b/extensions/fablabchemnitz/simple_registration/meta.json
index 0f1e74d..f4c9fae 100644
--- a/extensions/fablabchemnitz/simple_registration/meta.json
+++ b/extensions/fablabchemnitz/simple_registration/meta.json
@@ -13,7 +13,7 @@
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     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Simple+Registration",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "gitlab.com/inklinea",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/sine_and_lace/meta.json b/extensions/fablabchemnitz/sine_and_lace/meta.json
index 28028d1..782d6c3 100644
--- a/extensions/fablabchemnitz/sine_and_lace/meta.json
+++ b/extensions/fablabchemnitz/sine_and_lace/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/jnweiger/inkscape-input-stl",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Slic3r+STL+Input",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/jnweiger",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/slic3r_stl_input/meta.json b/extensions/fablabchemnitz/slic3r_stl_input/meta.json
index e0b5a3e..a5c1450 100644
--- a/extensions/fablabchemnitz/slic3r_stl_input/meta.json
+++ b/extensions/fablabchemnitz/slic3r_stl_input/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/jnweiger/inkscape-input-stl",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Slic3r+STL+Input",
     "inkscape_gallery_url": "https://inkscape.org/de/~MarioVoigt/%E2%98%85slic3r-stl-input",
-    "main_authors": [
+    "contributors": [
       "github.com/jnweiger",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/slider_electrodes/meta.json b/extensions/fablabchemnitz/slider_electrodes/meta.json
index c525f05..fdc2129 100644
--- a/extensions/fablabchemnitz/slider_electrodes/meta.json
+++ b/extensions/fablabchemnitz/slider_electrodes/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/henningpohl/Inkscape-Slider-Electrode-Generator",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Slider+Electrodes",
     "inkscape_gallery_url": null, 
-    "main_authors": [
+    "contributors": [
       "github.com/henningpohl",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/snap_object_points/meta.json b/extensions/fablabchemnitz/snap_object_points/meta.json
index 21f2f80..3270b82 100644
--- a/extensions/fablabchemnitz/snap_object_points/meta.json
+++ b/extensions/fablabchemnitz/snap_object_points/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://inkscape.org/de/~pakin/%E2%98%85snap-object-points",
     "documentation_url": "",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "inkscape.org/pakin",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/source_code_text/meta.json b/extensions/fablabchemnitz/source_code_text/meta.json
index e728491..b8d87db 100644
--- a/extensions/fablabchemnitz/source_code_text/meta.json
+++ b/extensions/fablabchemnitz/source_code_text/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://gist.github.com/om-henners/8c642c87b71daa3ea68222d40167edbc",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Source+Code+Text",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/om-henners",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/spirograph/meta.json b/extensions/fablabchemnitz/spirograph/meta.json
index 2f78262..e3c18c2 100644
--- a/extensions/fablabchemnitz/spirograph/meta.json
+++ b/extensions/fablabchemnitz/spirograph/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/fsmMLK/inkscapeSpirograph",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/SpiroGraph",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/fsmMLK",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/split_and_break_bezier_at_t/meta.json b/extensions/fablabchemnitz/split_and_break_bezier_at_t/meta.json
index 17ce7d4..8a9cbde 100644
--- a/extensions/fablabchemnitz/split_and_break_bezier_at_t/meta.json
+++ b/extensions/fablabchemnitz/split_and_break_bezier_at_t/meta.json
@@ -13,7 +13,7 @@
     "fork_url": null,
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Split+And+Break+Bezier+At+t",
     "inkscape_gallery_url": "https://inkscape.org/de/~MarioVoigt/%E2%98%85split-and-break-bezier-at-t",
-    "main_authors": [
+    "contributors": [
       "github.com/eridur-de"
     ]
   }
diff --git a/extensions/fablabchemnitz/split_bezier/meta.json b/extensions/fablabchemnitz/split_bezier/meta.json
index 87c922c..bc00a41 100644
--- a/extensions/fablabchemnitz/split_bezier/meta.json
+++ b/extensions/fablabchemnitz/split_bezier/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/Shriinivas/inkscapesubdivpath",
     "documentation_url": "https://stadtfabrikanten.org/pages/viewpage.action?pageId=55018715",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/Shriinivas",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/sprocket/meta.json b/extensions/fablabchemnitz/sprocket/meta.json
index 95067ce..92ac8b1 100644
--- a/extensions/fablabchemnitz/sprocket/meta.json
+++ b/extensions/fablabchemnitz/sprocket/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/attoparsec/inkscape-extensions",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Sprocket",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/attoparsec",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/starshine/meta.json b/extensions/fablabchemnitz/starshine/meta.json
index 1519ad8..4d05b99 100644
--- a/extensions/fablabchemnitz/starshine/meta.json
+++ b/extensions/fablabchemnitz/starshine/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/curiousmaster/hipix_inkscape_extensions",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Starshine",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/curiousmaster",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/streaks/meta.json b/extensions/fablabchemnitz/streaks/meta.json
index 7b241b6..123a728 100644
--- a/extensions/fablabchemnitz/streaks/meta.json
+++ b/extensions/fablabchemnitz/streaks/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://sourceforge.net/projects/inkscape-streaks",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Streaks",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "sourceforge.net/andrew-kurn",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/strip_line/meta.json b/extensions/fablabchemnitz/strip_line/meta.json
index 80da994..55d8d35 100644
--- a/extensions/fablabchemnitz/strip_line/meta.json
+++ b/extensions/fablabchemnitz/strip_line/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/miffysora/Inkscape",
     "documentation_url": "",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/miffysora",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/stroke_color_as_fill/meta.json b/extensions/fablabchemnitz/stroke_color_as_fill/meta.json
index 038f491..779c0e7 100644
--- a/extensions/fablabchemnitz/stroke_color_as_fill/meta.json
+++ b/extensions/fablabchemnitz/stroke_color_as_fill/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://inkscape.org/de/~jabiertxof/%E2%98%85stroke-color-as-fill",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Stroke+Color+As+Fill",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "inkscape.org/jabiertxof",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/stroke_font_creator/meta.json b/extensions/fablabchemnitz/stroke_font_creator/meta.json
index 9a944d9..24fc0ed 100644
--- a/extensions/fablabchemnitz/stroke_font_creator/meta.json
+++ b/extensions/fablabchemnitz/stroke_font_creator/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/Shriinivas/inkscapestrokefont",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Stroke+Font+Creator",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/Shriinivas",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/styles_to_layers/meta.json b/extensions/fablabchemnitz/styles_to_layers/meta.json
index eaffec2..44fe71e 100644
--- a/extensions/fablabchemnitz/styles_to_layers/meta.json
+++ b/extensions/fablabchemnitz/styles_to_layers/meta.json
@@ -16,7 +16,7 @@
     "fork_url": null,
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Styles+To+Layers",
     "inkscape_gallery_url": "https://inkscape.org/de/~MarioVoigt/%E2%98%85styles-to-layers",
-    "main_authors": [
+    "contributors": [
       "github.com/eridur-de"
     ]
   }
diff --git a/extensions/fablabchemnitz/sudoku/meta.json b/extensions/fablabchemnitz/sudoku/meta.json
index acb789e..d716ff4 100644
--- a/extensions/fablabchemnitz/sudoku/meta.json
+++ b/extensions/fablabchemnitz/sudoku/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://inkscape.org/de/~TomasUrban/%E2%98%85sundial-declining",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Sundial+Declining",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "inkscape.org/TomasUrban",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/sundial_declining/meta.json b/extensions/fablabchemnitz/sundial_declining/meta.json
index acb789e..d716ff4 100644
--- a/extensions/fablabchemnitz/sundial_declining/meta.json
+++ b/extensions/fablabchemnitz/sundial_declining/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://inkscape.org/de/~TomasUrban/%E2%98%85sundial-declining",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Sundial+Declining",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "inkscape.org/TomasUrban",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/svg2fcsketch/meta.json b/extensions/fablabchemnitz/svg2fcsketch/meta.json
index b7b08fe..58d0ffd 100644
--- a/extensions/fablabchemnitz/svg2fcsketch/meta.json
+++ b/extensions/fablabchemnitz/svg2fcsketch/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/jnweiger/inkscape-svg2fcsketch",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/FreeCAD+Sketch+Export",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/jnweiger",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/svg2shenzhen/meta.json b/extensions/fablabchemnitz/svg2shenzhen/meta.json
index 590e9b4..f404911 100644
--- a/extensions/fablabchemnitz/svg2shenzhen/meta.json
+++ b/extensions/fablabchemnitz/svg2shenzhen/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/badgeek/svg2shenzhen",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Svg2Shenzhen",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/badgeek",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/svg_embed_and_crop/meta.json b/extensions/fablabchemnitz/svg_embed_and_crop/meta.json
index 0204e64..cfad889 100644
--- a/extensions/fablabchemnitz/svg_embed_and_crop/meta.json
+++ b/extensions/fablabchemnitz/svg_embed_and_crop/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/bnanes/svg-embed-and-crop",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/SVG+Embed+And+Crop",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/bnanes",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/svg_embed_and_crop/svg_embed_and_crop/svg-embed-and-crop-1.6.jar b/extensions/fablabchemnitz/svg_embed_and_crop/svg_embed_and_crop/svg-embed-and-crop-1.6.jar
deleted file mode 100644
index 06f4c10..0000000
Binary files a/extensions/fablabchemnitz/svg_embed_and_crop/svg_embed_and_crop/svg-embed-and-crop-1.6.jar and /dev/null differ
diff --git a/extensions/fablabchemnitz/svgo_output/meta.json b/extensions/fablabchemnitz/svgo_output/meta.json
index dbb6f76..e7e5fb9 100644
--- a/extensions/fablabchemnitz/svgo_output/meta.json
+++ b/extensions/fablabchemnitz/svgo_output/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/juanfran/svgo-inkscape/",
     "documentation_url": "https://stadtfabrikanten.org/pages/viewpage.action?pageId=55019653",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/juanfran",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/table_support/meta.json b/extensions/fablabchemnitz/table_support/meta.json
index 2f0bb6e..68a204c 100644
--- a/extensions/fablabchemnitz/table_support/meta.json
+++ b/extensions/fablabchemnitz/table_support/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://sourceforge.net/projects/inkscape-tables",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Table+Support",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "sourceforge.net/lixapopescu",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/travel/meta.json b/extensions/fablabchemnitz/travel/meta.json
index e86933e..e2886c1 100644
--- a/extensions/fablabchemnitz/travel/meta.json
+++ b/extensions/fablabchemnitz/travel/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/rkp8000/inkscape-travel",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Travel",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/rkp8000",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/triangle/meta.json b/extensions/fablabchemnitz/triangle/meta.json
index 8c6ecc8..95adf77 100644
--- a/extensions/fablabchemnitz/triangle/meta.json
+++ b/extensions/fablabchemnitz/triangle/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://gitlab.com/inkscape/extensions/",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Triangle",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "John Beard:john.j.beard@gmail.com",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/triangular_grid/meta.json b/extensions/fablabchemnitz/triangular_grid/meta.json
index 66094d2..89947be 100644
--- a/extensions/fablabchemnitz/triangular_grid/meta.json
+++ b/extensions/fablabchemnitz/triangular_grid/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/cds4/inkscape-grids",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Triangular+Grid",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/cds4",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/tuckbox/meta.json b/extensions/fablabchemnitz/tuckbox/meta.json
index 0455410..211afc6 100644
--- a/extensions/fablabchemnitz/tuckbox/meta.json
+++ b/extensions/fablabchemnitz/tuckbox/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://sourceforge.net/p/razorfoss/svn/HEAD/tree/trunk/Inkscape/TuckboxExtension/",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Tuckbox",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "Luke Phillips:lukerazor@hotmail.com",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/twist/meta.json b/extensions/fablabchemnitz/twist/meta.json
index 07ff8fa..9b07aca 100644
--- a/extensions/fablabchemnitz/twist/meta.json
+++ b/extensions/fablabchemnitz/twist/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/evil-mad/EggBot/tree/master/inkscape_contributed",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Twist",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/oskay",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/ungrouper_and_element_migrator_filter/meta.json b/extensions/fablabchemnitz/ungrouper_and_element_migrator_filter/meta.json
index d93e932..809d1b0 100644
--- a/extensions/fablabchemnitz/ungrouper_and_element_migrator_filter/meta.json
+++ b/extensions/fablabchemnitz/ungrouper_and_element_migrator_filter/meta.json
@@ -16,7 +16,7 @@
     "fork_url": null,
     "documentation_url": "https://stadtfabrikanten.org/pages/viewpage.action?pageId=77267295",
     "inkscape_gallery_url": "https://inkscape.org/de/~MarioVoigt/%E2%98%85ungrouper-and-element-migratorfilter",
-    "main_authors": [
+    "contributors": [
       "github.com/eridur-de"
     ]
   }
diff --git a/extensions/fablabchemnitz/unwind_paths/meta.json b/extensions/fablabchemnitz/unwind_paths/meta.json
index 33b09fa..6d1e611 100644
--- a/extensions/fablabchemnitz/unwind_paths/meta.json
+++ b/extensions/fablabchemnitz/unwind_paths/meta.json
@@ -13,7 +13,7 @@
     "fork_url": null,
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Unwind+Paths",
     "inkscape_gallery_url": "https://inkscape.org/de/~MarioVoigt/%E2%98%85unwind-paths",
-    "main_authors": [
+    "contributors": [
       "github.com/eridur-de"
     ]
   }
diff --git a/extensions/fablabchemnitz/vektorkollektor/meta.json b/extensions/fablabchemnitz/vektorkollektor/meta.json
index 1f7e5ce..92b7f58 100644
--- a/extensions/fablabchemnitz/vektorkollektor/meta.json
+++ b/extensions/fablabchemnitz/vektorkollektor/meta.json
@@ -13,7 +13,7 @@
     "fork_url": null,
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Vektorkollektor",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "niklasroy.com/Niklas Roy",
       "katihyyppa.com/Kati Hyyppä",
       "github.com/eridur-de"
diff --git a/extensions/fablabchemnitz/vertical_horizontal_scale/meta.json b/extensions/fablabchemnitz/vertical_horizontal_scale/meta.json
index 192cf2e..85c8aeb 100644
--- a/extensions/fablabchemnitz/vertical_horizontal_scale/meta.json
+++ b/extensions/fablabchemnitz/vertical_horizontal_scale/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/brathering82/inkscape",
     "documentation_url": "https://stadtfabrikanten.org/pages/viewpage.action?pageId=55018500",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/brathering82",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/visicut/meta.json b/extensions/fablabchemnitz/visicut/meta.json
index fcd34bd..033a213 100644
--- a/extensions/fablabchemnitz/visicut/meta.json
+++ b/extensions/fablabchemnitz/visicut/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/t-oster/VisiCut/tree/master/tools/inkscape_extension",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Open+in+VisiCut",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/t-oster",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/vpypetools/meta.json b/extensions/fablabchemnitz/vpypetools/meta.json
index 68b831e..6459d9c 100644
--- a/extensions/fablabchemnitz/vpypetools/meta.json
+++ b/extensions/fablabchemnitz/vpypetools/meta.json
@@ -13,7 +13,7 @@
     "fork_url": null,
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/vpypetools",
     "inkscape_gallery_url": "https://inkscape.org/de/~MarioVoigt/%E2%98%85vpypetools-vpype-for-inkscape",
-    "main_authors": [
+    "contributors": [
       "github.com/eridur-de"
     ]
   }
diff --git a/extensions/fablabchemnitz/webp_import/meta.json b/extensions/fablabchemnitz/webp_import/meta.json
index 1f2c012..5cb4c94 100644
--- a/extensions/fablabchemnitz/webp_import/meta.json
+++ b/extensions/fablabchemnitz/webp_import/meta.json
@@ -13,7 +13,7 @@
     "fork_url": null,
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/WebP+Import",
     "inkscape_gallery_url": "https://inkscape.org/de/~MarioVoigt/%E2%98%85webp-import",
-    "main_authors": [
+    "contributors": [
       "inkscape.org/mono",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/x_agram/meta.json b/extensions/fablabchemnitz/x_agram/meta.json
index a4d0fbf..ce07733 100644
--- a/extensions/fablabchemnitz/x_agram/meta.json
+++ b/extensions/fablabchemnitz/x_agram/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/garykac/pathmonkey",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/X-Agram",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/garykac",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/zigzag_nodes/meta.json b/extensions/fablabchemnitz/zigzag_nodes/meta.json
index e1de5a8..fa95eb6 100644
--- a/extensions/fablabchemnitz/zigzag_nodes/meta.json
+++ b/extensions/fablabchemnitz/zigzag_nodes/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "http://dp48069596.lolipop.jp/sd/scripts/script_inkscape/zigzag.zip",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Zigzag+Nodes",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "Sunabe Kazumichi",
       "github.com/eridur-de"
     ]
diff --git a/extensions/fablabchemnitz/zoetrope/meta.json b/extensions/fablabchemnitz/zoetrope/meta.json
index 9a5eaad..203cb81 100644
--- a/extensions/fablabchemnitz/zoetrope/meta.json
+++ b/extensions/fablabchemnitz/zoetrope/meta.json
@@ -13,7 +13,7 @@
     "fork_url": "https://github.com/Neon22/inkscape-Zoetrope",
     "documentation_url": "https://stadtfabrikanten.org/display/IFM/Zoetrope",
     "inkscape_gallery_url": null,
-    "main_authors": [
+    "contributors": [
       "github.com/Neon22",
       "github.com/eridur-de"
     ]