1. python/cpython

1. python/peps
2. microsoft/vscode-python
3. brettcannon/python-launcher
4. microsoft/vscode-jupyter
5. brettcannon/caniusepython3
6. python/devguide
7. microsoft/Pyjion
8. gidgethub/gidgethub
9. brettcannon/oplop
10. brettcannon/desugar
11. brettcannon/dotconfig
12. python/the-knights-who-say-ni
13. brettcannon/dotfiles
14. brettcannon/free-labour
15. brettcannon/travelbrag
16. pypa/packaging
17. Which-Film/which-film.info

1. microsoft/pvscbot
2. brettcannon/mousebender
3. python/importlib_resources
4. PyCQA/modernize
5. brettcannon/release-often
6. python/bedevere
7. python/devinabox
8. brettcannon/WWBD
9. brettcannon/microvenv
10. brettcannon/trips-history
11. brettcannon/pep425
12. brettcannon/py-pip
13. brettcannon/check-for-changed-files
14. pypa/packaging.python.org
15. brettcannon/cpython-wasi-build
16. brettcannon/python-azure-web-app-cookiecutter
17. brettcannon/stdlib-stats
18. brettcannon/mnfy
19. microsoft/vscode-docs-archive
20. dabeaz/curio
21. microsoft/vscode-docs
22. brettcannon/sans-io
23. brettcannon/modutil
24. brettcannon/time-clock
25. brettcannon/find-duplicate-files
26. brettcannon/flatten_filenames
27. elixir-lang/elixir-lang.github.com
28. brettcannon/riscv-harmony
29. brettcannon/basicenum
30. uranusjr/packaging-metadata-comparisons
31. angular/angular.js
32. pypa/setuptools
33. python-trio/trio
34. microsoft/vscode-dev-containers
35. dusty-phillips/rescript-zora
36. python/core-workflow
37. microsoft/vscode-python-devicesimulator
38. Azure-Samples/Azure-MachineLearning-DataScience
39. brettcannon/record-type
40. Azure/msrest-for-python
41. brettcannon/pip-secure-install
42. microsoft/TypeScript-Handbook
43. python-hyper/uritemplate
44. emmatyping/python-wasm
45. Azure/msrestazure-for-python
46. pypa/distutils
47. brettcannon/defy-layout-scorer
48. python/buildmaster-config
49. orsenthil/cpython-hg-to-git
50. python-hglib

1. benjaminp/six
2. python3statement/python3statement.github.io
3. dusty-phillips/match-variant
4. JuliaLang/julia
5. brettcannon/importlib
6. brettcannon/choose-a-font.dev
7. python/steering-council
8. lustre-labs/lustre
9. beeware/toga
10. microsoft/vscode-telemetry-extractor
11. rescript-lang/rescript-lang.org
12. microsoft/vscode-anaconda-extension-pack
13. brettcannon/nowhere-on-the-web
14. eclipse-archived/ceylon-lang.org
15. python/blurb
16. Azure/azure-sdk-for-python
17. python/cherry-picker
18. brettcannon/porting-to-python-3-notebook
19. openlawlibrary/pygls
20. rust-lang/rust
21. micktwomey/pyiso8601
22. microsoft/vscode
23. python/typeshed
24. python/planet
25. Homebrew/homebrew-core
26. jazzband/pip-tools
27. cookiecutter/cookiecutter
28. Homebrew/legacy-homebrew
29. aosabook/500lines
30. WebAssembly/design
31. brettcannon/vscode-zephyr-asdl
32. square/dagger
33. github/gitignore
34. pypa/pipenv
35. microsoft/vscode-wiki
36. python/cpython-devcontainers
37. inko-lang/inko
38. micropython/micropython
39. vstinner/misc
40. python/psf-salt
41. brettcannon/cpython-wasi-buildbot
42. dotnet/docs
43. badges/shields
44. thechangelog/show-notes
45. Mariatta/github-bot-tutorial
46. sarugaku/resolvelib
47. vibora-io/vibora
48. microsoft/vscode-python-templates
49. pypa/flit
50. kushaldas/pym
51. wntrblm/nox
52. jaraco/skeleton
53. riverscuomo/apps
54. dabeaz/ply
55. python/python-docs-theme
56. MicrosoftDocs/visualstudio-docs
57. beeware/liquid-demo
58. matplotlib/matplotlib
59. gleam-lang/language-tour
60. astral-sh/ruff
61. microsoft/language-server-protocol
62. conda/conda
63. microsoftarchive/msgraph-sdk-python
64. absurdia/absurdia-py
65. microsoft/TypeScript-wiki
66. rocketreach/rocketreach_python
67. bytecodealliance/wasmtime
68. ponylang/pony-tutorial
69. kushaldas/pep582
70. beeware/beeware.github.io
71. WebAssembly/wasi-sdk
72. huggingface/agents-course
73. python-hyper/h2
74. MeeseeksBox/meeseeksbox.github.io
75. python/pythonineducation.org
76. microsoft/sql-server-samples
77. microsoft/vscode-isort
78. bloodyowl/rescript-test
79. python/pyperformance
80. pyscript/pyscript
81. buildout/buildout
82. python/typing
83. fastapi/sqlmodel
84. moby/mobywebsite
85. gleam-lang/otp
86. larryhastings/appeal
87. MPOS/php-mpos
88. progit/progit2
89. python/core-sprint
90. rustwasm/book
91. conda/ceps
92. microsoft/vscode-docker
93. asyncio-docs/asyncio-doc
94. aio-libs/aiohttp
95. Django
96. beeware/briefcase
97. google/grumpy
98. microsoftgraph/microsoft-graph-docs-contrib
99. jupyter/notebook
100. microsoft/python-sample-vscode-django-tutorial
101. getsentry/responses
102. livebook-dev/livebook
103. Devid-Ba/Text-adventure
104. hynek/build-and-inspect-python-package
105. adafruit/Adafruit_CircuitPython_CircuitPlayground
106. lorenzofox3/zora
107. scikit-learn/scikit-learn
108. microsoftgraph/python-sample-pagination
109. devcontainers/images
110. ericpalakovichcarr/pytest-pythonpath
111. rust-lang/log
112. pypi/warehouse
113. jupyterlab/jupyterlab
114. lustre-labs/ui
115. stellar/new-docs
116. extism/extism
117. pablogsal/cpython_leaderboard
118. pycascades/welcome-wagon-2018
119. devcontainers/features
120. rust-lang/rustfmt
121. Enderchief/gleam-tools
122. brettcannon/exercism-solutions
123. stellar-deprecated/docs
124. oauthlib/oauthlib
125. chhantyal/py3readiness
126. sphinx-doc/sphinx
127. gleam-lang/erlang
128. python/importlib_metadata
129. jupyter/jupyter.github.io
130. jupyter-book/mystmd.org
131. topazproject/topaz
132. riverscuomo/new-albums
133. psf/webassembly
134. mesonbuild/meson
135. brettcannon/character-frequency
136. zwaldowski/match-label-action
137. w3c/ServiceWorker
138. conda/conda-build
139. syl20bnr/spacemacs
140. pypa/setuptools-scm
141. cometkim/rescript-vitest
142. ansible/ansible
143. microsoft/PTVS
144. vscode-restructuredtext/vscode-restructuredtext
145. microsoft/debugpy
146. WebAssembly/component-model
147. briandealwis/ferret
148. psf/fundable-packaging-improvements
149. Quansight-Labs/free-threaded-compatibility
150. pypa/pipx
151. vega/ipyvega
152. pypa/build
153. pyvideo/old-pyvideo
154. Homebrew/brew
155. luabud/hello-vscodespaces
156. python-poetry/tomlkit
157. gleam-lang/gleam
158. clearlydefined/website
159. markshannon/faster-cpython
160. mozilla-services/konfig
161. google/yapf
162. python/pythontestdotnet
163. nayafia/nayafia
164. diogonfs/pyinit
165. gitkraken/vscode-gitlens
166. python/mypy
167. lpil/sqlight
168. reubeno/brush
169. GraphQLGuide/book
170. VSCodeVim/Vim
171. Lukasa/language-restructuredtext
172. modelcontextprotocol/rust-sdk
173. cardoe/stderrlog-rs
174. pytest-dev/pytest
175. Azure/azure-cli
176. saschpe/mozilla-plugins
177. microsoft/vscode-extension-samples
178. bagder/http2-explained
179. pyca/pyopenssl
180. starship/starship
181. Azure/azure-cosmos-python
182. bungcip/better-toml
183. facebook/pyre-check
184. 11ty/11ty-website
185. dusty-phillips/macabre
186. actions-rs/install
187. pypa/trove-classifiers
188. spotify/pedalboard
189. Azure/azure-functions-python-library
190. pdm-project/pdm
191. palantir/python-language-server
192. okken/pytest-srcpaths
193. realpython/python-guide
194. riscv-software-src/riscv-tests
195. victor-o-silva/python-links-from-link-header
196. kushaldas/asaman
197. conda/conda-docs
198. regebro/supporting-python-3
199. microsoft/vscode-pylint
200. twisted/klein
201. PyCQA/pyflakes
202. gleam-lang/website
203. microsoft/vscode-tools-for-ai
204. microsoft/az-partner-center-cli
205. Fyrd/caniuse
206. casey/just
207. golang/go
208. astral-sh/uv
209. stellar/awesome-stellar
210. MagicStack/MagicPython
211. beeware/podium
212. bitbldr/sprocket_docs
213. ebkalderon/tower-lsp
214. psf/black
215. aurelia/documentation
216. pyvideo/data
217. MicrosoftDocs/azure-docs
218. score-spec/spec
219. PyPy
220. defusedexpat
221. expat
222. Mercurial
223. vim
224. smol

(Listed from oldest to newest, although I may have become a co-author post-creation.)

1. Alyssa Coghlan (53)
2. Guido van Rossum (49)
3. Barry Warsaw (41)
4. Victor Stinner (34)
5. Brett Cannon (33)
6. Donald Stufft (21)
7. Petr Viktorin (19)
8. Martin von Löwis (17)
9. Łukasz Langa (15)
10. Nathaniel J. Smith (15)
11. Steve Dower (15)
12. Raymond Hettinger (14)
13. Antoine Pitrou (13)
14. Mark Shannon (12)
15. Eric Snow (12)
16. Georg Brandl (11)
17. Tim Peters (10)
18. A.M. Kuchling (10)
19. Marc-André Lemburg (9)
20. Paul Moore (9)
21. Yury Selivanov (8)
22. Larry Hastings (8)
23. Christian Heimes (8)
24. Ivan Levkivskyi (8)
25. Pradyun Gedam (8)
26. Ee Durbin (8)
27. Jeremy Hylton (7)
28. Thomas Wouters (7)
29. Moshe Zadka (7)
30. Benjamin Peterson (7)
31. Dustin Ingram (7)
32. Pablo Galindo (7)
33. Jelle Zijlstra (7)
34. William Woodruff (7)
35. David Goodger (6)
36. Ka-Ping Yee (6)
37. Jim J. Jewett (6)
38. Phillip J. Eby (6)
39. Daniel Holth (6)
40. Chris Angelico (6)
41. Inada Naoki (6)
42. Brandt Bucher (6)
43. Pablo Galindo Salgado (6)
44. Tzu-ping Chung (6)
45. Collin Winter (6)
46. Anthony Baxter (5)
47. Neil Schemenauer (5)
48. Skip Montanaro (5)
49. Ethan Furman (5)
50. Emma Harper Smith (5)
51. Talin (5)
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53. Irit Katriel (5)
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55. Gregory Ewing (4)
56. Richard Jones (4)
57. Tarek Ziadé (4)
58. Carl Meyer (4)
59. Jukka Lehtosalo (4)
60. Thomas Kluyver (4)
61. Jeroen Demeyer (4)
62. Mariatta (4)
63. Lysandros Nikolaou (4)
64. Ofek Lev (4)
65. Pradeep Kumar Srinivasan (4)
66. Travis Oliphant (3)
67. Michel Pelletier (3)
68. Alex Martelli (3)
69. Michael Hudson (3)
70. Neal Norwitz (3)
71. Steven Bethard (3)
72. Armin Ronacher (3)
73. Carol Willing (3)
74. Eli Bendersky (3)
75. Eric V. Smith (3)
76. Steven D'Aprano (3)
77. Jeffrey Yasskin (3)
78. Batuhan Taskaya (3)
79. Filipe Laíns (3)
80. Erlend Egeberg Aasland (3)
81. James Hilton-Balfe (3)
82. Zac Hatfield-Dodds (3)
83. Shantanu Jain (3)
84. Sergey B Kirpichev (3)
85. Gregory P. Smith (3)
86. Facundo Tuesca (3)
87. Hugo van Kemenade (3)
88. Ewa Jodlowska (3)
89. Aahz (2)
90. Oleg Broytman (2)
91. Fred L. Drake (2)
92. Jr. (2)
93. David Ascher (2)
94. Greg Wilson (2)
95. Gordon McMillan (2)
96. Christopher A. Craig (2)
97. Clark C. Evans (2)
98. Greg Stein (2)
99. Magnus Lie Hetland (2)
100. Jack Jansen (2)
101. Vinay Sajip (2)
102. Mark Hammond (2)
103. Josiah Carlson (2)
104. Terry Reedy (2)
105. Facundo Batista (2)
106. Ben Finney (2)
107. Calvin Spealman (2)
108. Tim Delaney (2)
109. Jesse Noller (2)
110. Stephen J. Turnbull (2)
111. Dirkjan Ochtman (2)
112. Miro Hrončok (2)
113. Cameron Simpson (2)
114. Alex Gaynor (2)
115. Ronald Oussoren (2)
116. Trishank Karthik Kuppusamy (2)
117. Vladimir Diaz (2)
118. Marina Moore (2)
119. Justin Cappos (2)
120. Stefano Borini (2)
121. Stefan Behnel (2)
122. Ned Deily (2)
123. Alexander Belopolsky (2)
124. Nick Humrich (2)
125. Mark E. Haase (2)
126. Robert Collins (2)
127. Koos Zevenhoven (2)
128. Cory Benfield (2)
129. Marcel Plch (2)
130. Mario Corchero (2)
131. Geoffrey Thomas (2)
132. Maggie Moss (2)
133. Stéphane Bidoul (2)
134. Mark Mendoza (2)
135. Shannon Zhu (2)
136. Paul Ganssle (2)
137. Daniel F Moisset (2)
138. Tobias Kohn (2)
139. David Foster (2)
140. Tal Einat (2)
141. Steven Troxler (2)
142. Erik De Bonte (2)
143. Sam Gross (2)
144. Ralf Gommers (2)
145. Savannah Ostrowski (2)
146. Hood Chatham (2)
147. Daniel Stutzbach (2)
148. Joe Carey (2)
149. Martijn Faassen (1)
150. The Python core team and community (1)
151. Paul Barrett (1)
152. Peter Schneider-Kamp (1)
153. Huaiyu Zhu (1)
154. Gregory Lielens (1)
155. Paul F. Dubois (1)
156. Sean Reifschneider (1)
157. Grant Griffin (1)
158. Jonathan Riehl (1)
159. Jason Petrone (1)
160. Frédéric B. Giacometti (1)
161. James C. Ahlstrom (1)
162. Jim Althoff (1)
163. Neil Hodgson (1)
164. Trent Mick (1)
165. David Eppstein (1)
166. Walter Dörwald (1)
167. Oren Tirosh (1)
168. Stepan Koltsov (1)
169. Scott Gilbert (1)
170. Thomas Heller (1)
171. Jeff Epler (1)
172. Just van Rossum (1)
173. Thomas Bellman (1)
174. Kevin Altis (1)
175. Dave Cole (1)
176. Andrew McNamara (1)
177. Cliff Wells (1)
178. Jack Diederich (1)
179. Peter Harris (1)
180. Roman Suzi (1)
181. Mike Meyer (1)
182. W Isaac Carroll (1)
183. Terence Way (1)
184. Steven Taschuk (1)
185. Kevin D. Smith (1)
186. Peter Astrand (1)
187. Samuele Pedroni (1)
188. Christian R. Reis (1)
189. Andrew McClelland (1)
190. Michael P. Dubner (1)
191. Micah Elliott (1)
192. Björn Lindqvist (1)
193. Jiwon Seo (1)
194. Ben North (1)
195. Lino Mastrodomenico (1)
196. Richard Oudkerk (1)
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200. Greg Slodkowicz (1)
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205. Lennart Regebro (1)
206. Todd Rovito (1)
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