1. python/cpython

1. python/peps
2. microsoft/vscode-python
3. brettcannon/python-launcher
4. brettcannon/caniusepython3
5. microsoft/vscode-jupyter
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/free-labour
14. brettcannon/travelbrag
15. pypa/packaging
16. brettcannon/dotfiles
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/trips-history
10. brettcannon/pep425
11. brettcannon/microvenv
12. brettcannon/check-for-changed-files
13. brettcannon/py-pip
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. elixir-lang/elixir-lang.github.com
26. brettcannon/riscv-harmony
27. brettcannon/flatten_filenames
28. brettcannon/find-duplicate-files
29. brettcannon/basicenum
30. uranusjr/packaging-metadata-comparisons
31. angular/angular.js
32. pypa/setuptools
33. python-trio/trio
34. python/core-workflow
35. dusty-phillips/rescript-zora
36. microsoft/vscode-dev-containers
37. Azure-Samples/Azure-MachineLearning-DataScience
38. microsoft/vscode-python-devicesimulator
39. brettcannon/pip-secure-install
40. brettcannon/record-type
41. emmatyping/python-wasm
42. Azure/msrest-for-python
43. microsoft/TypeScript-Handbook
44. Azure/msrestazure-for-python
45. python-hyper/uritemplate
46. pypa/distutils
47. brettcannon/defy-layout-scorer
48. orsenthil/cpython-hg-to-git
49. python/buildmaster-config
50. python-hglib

1. python3statement/python3statement.github.io
2. benjaminp/six
3. brettcannon/choose-a-font.dev
4. brettcannon/importlib
5. dusty-phillips/match-variant
6. python/steering-council
7. JuliaLang/julia
8. beeware/toga
9. microsoft/vscode-anaconda-extension-pack
10. python/blurb
11. lustre-labs/lustre
12. brettcannon/nowhere-on-the-web
13. microsoft/vscode-telemetry-extractor
14. rescript-lang/rescript-lang.org
15. eclipse-archived/ceylon-lang.org
16. python/cherry-picker
17. Azure/azure-sdk-for-python
18. brettcannon/porting-to-python-3-notebook
19. openlawlibrary/pygls
20. python/planet
21. microsoft/vscode
22. micktwomey/pyiso8601
23. rust-lang/rust
24. python/typeshed
25. pypa/pipenv
26. github/gitignore
27. WebAssembly/design
28. Homebrew/legacy-homebrew
29. brettcannon/vscode-zephyr-asdl
30. Homebrew/homebrew-core
31. aosabook/500lines
32. square/dagger
33. cookiecutter/cookiecutter
34. brettcannon/cpython-wasi-buildbot
35. thechangelog/show-notes
36. microsoft/vscode-wiki
37. vstinner/misc
38. inko-lang/inko
39. python/psf-salt
40. Mariatta/github-bot-tutorial
41. jazzband/pip-tools
42. dotnet/docs
43. micropython/micropython
44. badges/shields
45. gleam-lang/language-tour
46. python/typing
47. sarugaku/resolvelib
48. jaraco/skeleton
49. psf/webassembly
50. microsoft/language-server-protocol
51. dabeaz/ply
52. pyscript/pyscript
53. rustwasm/book
54. ponylang/pony-tutorial
55. microsoft/TypeScript-wiki
56. bloodyowl/rescript-test
57. WebAssembly/wasi-sdk
58. fastapi/sqlmodel
59. pypa/flit
60. python/python-docs-theme
61. conda/conda
62. progit/progit2
63. microsoftarchive/msgraph-sdk-python
64. huggingface/agents-course
65. kushaldas/pym
66. astral-sh/ruff
67. MicrosoftDocs/visualstudio-docs
68. microsoft/vscode-python-templates
69. python/pythonineducation.org
70. MeeseeksBox/meeseeksbox.github.io
71. aio-libs/aiohttp
72. matplotlib/matplotlib
73. microsoft/vscode-docker
74. microsoft/vscode-isort
75. buildout/buildout
76. riverscuomo/apps
77. python/pyperformance
78. larryhastings/appeal
79. microsoft/sql-server-samples
80. beeware/liquid-demo
81. kushaldas/pep582
82. asyncio-docs/asyncio-doc
83. vibora-io/vibora
84. MPOS/php-mpos
85. python/core-sprint
86. bytecodealliance/wasmtime
87. conda/ceps
88. python-hyper/h2
89. moby/mobywebsite
90. Django
91. scikit-learn/scikit-learn
92. actions-rs/install
93. regebro/supporting-python-3
94. absurdia/absurdia-py
95. Homebrew/brew
96. python/cpython-devcontainers
97. sphinx-doc/sphinx
98. psf/fundable-packaging-improvements
99. Lukasa/language-restructuredtext
100. pycascades/welcome-wagon-2018
101. livebook-dev/livebook
102. VSCodeVim/Vim
103. microsoft/vscode-tools-for-ai
104. WebAssembly/component-model
105. vega/ipyvega
106. lustre-labs/ui
107. mesonbuild/meson
108. w3c/ServiceWorker
109. syl20bnr/spacemacs
110. pypa/trove-classifiers
111. wntrblm/nox
112. clearlydefined/website
113. devcontainers/images
114. 11ty/11ty-website
115. chhantyal/py3readiness
116. python/mypy
117. gleam-lang/gleam
118. pypi/warehouse
119. pyvideo/data
120. microsoft/python-sample-vscode-django-tutorial
121. Azure/azure-cosmos-python
122. bitbldr/sprocket_docs
123. jupyter/jupyter.github.io
124. pypa/pipx
125. stellar/new-docs
126. pyca/pyopenssl
127. pypa/build
128. python/pythontestdotnet
129. rust-lang/rustfmt
130. Azure/azure-cli
131. adafruit/Adafruit_CircuitPython_CircuitPlayground
132. Devid-Ba/Text-adventure
133. cometkim/rescript-vitest
134. microsoft/az-partner-center-cli
135. MagicStack/MagicPython
136. starship/starship
137. pyvideo/old-pyvideo
138. microsoft/vscode-extension-samples
139. casey/just
140. saschpe/mozilla-plugins
141. riverscuomo/new-albums
142. jupyter-book/mystmd.org
143. MicrosoftDocs/azure-docs
144. Azure/azure-functions-python-library
145. palantir/python-language-server
146. nayafia/nayafia
147. microsoft/debugpy
148. python-poetry/tomlkit
149. spotify/pedalboard
150. pytest-dev/pytest
151. Enderchief/gleam-tools
152. rust-lang/log
153. oauthlib/oauthlib
154. bungcip/better-toml
155. topazproject/topaz
156. hynek/build-and-inspect-python-package
157. psf/black
158. luabud/hello-vscodespaces
159. aurelia/documentation
160. markshannon/faster-cpython
161. Quansight-Labs/free-threaded-compatibility
162. lorenzofox3/zora
163. riscv-software-src/riscv-tests
164. zwaldowski/match-label-action
165. ericpalakovichcarr/pytest-pythonpath
166. google/yapf
167. microsoftgraph/python-sample-pagination
168. GraphQLGuide/book
169. microsoft/PTVS
170. extism/extism
171. stellar/awesome-stellar
172. dusty-phillips/macabre
173. python/importlib_metadata
174. realpython/python-guide
175. gleam-lang/otp
176. bagder/http2-explained
177. gitkraken/vscode-gitlens
178. conda/conda-build
179. pablogsal/cpython_leaderboard
180. PyCQA/pyflakes
181. kushaldas/asaman
182. okken/pytest-srcpaths
183. mozilla-services/konfig
184. victor-o-silva/python-links-from-link-header
185. reubeno/brush
186. golang/go
187. diogonfs/pyinit
188. facebook/pyre-check
189. microsoftgraph/microsoft-graph-docs-contrib
190. pypa/setuptools-scm
191. getsentry/responses
192. jupyterlab/jupyterlab
193. Fyrd/caniuse
194. rocketreach/rocketreach_python
195. cardoe/stderrlog-rs
196. microsoft/vscode-pylint
197. vscode-restructuredtext/vscode-restructuredtext
198. pdm-project/pdm
199. google/grumpy
200. gleam-lang/website
201. astral-sh/uv
202. twisted/klein
203. conda/conda-docs
204. ansible/ansible
205. stellar-deprecated/docs
206. devcontainers/features
207. briandealwis/ferret
208. ebkalderon/tower-lsp
209. jupyter/notebook
210. brettcannon/character-frequency
211. score-spec/spec
212. PyPy
213. defusedexpat
214. expat
215. Mercurial
216. vim
217. 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 (32)
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. Jeremy Hylton (7)
27. Thomas Wouters (7)
28. Moshe Zadka (7)
29. Benjamin Peterson (7)
30. Dustin Ingram (7)
31. Ee Durbin (7)
32. David Goodger (6)
33. Ka-Ping Yee (6)
34. Jim J. Jewett (6)
35. Phillip J. Eby (6)
36. Daniel Holth (6)
37. Chris Angelico (6)
38. Inada Naoki (6)
39. Pablo Galindo (6)
40. Brandt Bucher (6)
41. Pablo Galindo Salgado (6)
42. Tzu-ping Chung (6)
43. Jelle Zijlstra (6)
44. William Woodruff (6)
45. Collin Winter (6)
46. Anthony Baxter (5)
47. Neil Schemenauer (5)
48. Skip Montanaro (5)
49. Ethan Furman (5)
50. Talin (5)
51. Eric Traut (5)
52. Irit Katriel (5)
53. Paul Prescod (4)
54. Gregory Ewing (4)
55. Richard Jones (4)
56. Tarek Ziadé (4)
57. Carl Meyer (4)
58. Jukka Lehtosalo (4)
59. Thomas Kluyver (4)
60. Emma Harper Smith (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. Hugo van Kemenade (3)
87. Ewa Jodlowska (3)
88. Aahz (2)
89. Oleg Broytman (2)
90. Fred L. Drake (2)
91. Jr. (2)
92. David Ascher (2)
93. Greg Wilson (2)
94. Gordon McMillan (2)
95. Christopher A. Craig (2)
96. Clark C. Evans (2)
97. Greg Stein (2)
98. Magnus Lie Hetland (2)
99. Jack Jansen (2)
100. Vinay Sajip (2)
101. Mark Hammond (2)
102. Josiah Carlson (2)
103. Terry Reedy (2)
104. Facundo Batista (2)
105. Ben Finney (2)
106. Calvin Spealman (2)
107. Tim Delaney (2)
108. Jesse Noller (2)
109. Stephen J. Turnbull (2)
110. Dirkjan Ochtman (2)
111. Miro Hrončok (2)
112. Cameron Simpson (2)
113. Alex Gaynor (2)
114. Ronald Oussoren (2)
115. Trishank Karthik Kuppusamy (2)
116. Vladimir Diaz (2)
117. Marina Moore (2)
118. Justin Cappos (2)
119. Stefano Borini (2)
120. Stefan Behnel (2)
121. Ned Deily (2)
122. Alexander Belopolsky (2)
123. Nick Humrich (2)
124. Mark E. Haase (2)
125. Robert Collins (2)
126. Koos Zevenhoven (2)
127. Cory Benfield (2)
128. Marcel Plch (2)
129. Mario Corchero (2)
130. Geoffrey Thomas (2)
131. Maggie Moss (2)
132. Stéphane Bidoul (2)
133. Mark Mendoza (2)
134. Shannon Zhu (2)
135. Paul Ganssle (2)
136. Daniel F Moisset (2)
137. Tobias Kohn (2)
138. David Foster (2)
139. Tal Einat (2)
140. Steven Troxler (2)
141. Erik De Bonte (2)
142. Sam Gross (2)
143. Ralf Gommers (2)
144. Facundo Tuesca (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)
197. Alexandre Vassalotti (1)
198. Jervis Whitley (1)
199. Kerrick Staley (1)
200. Greg Slodkowicz (1)
201. Michael Foord (1)
202. Paul Colomiets (1)
203. Daniel Urban (1)
204. Benoit Bryon (1)
205. Lennart Regebro (1)
206. Todd Rovito (1)
207. Stefan Krah (1)
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209. Chris McDonough (1)
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211. Lukas Puehringer (1)
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234. Masayuki Yamamoto (1)
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240. Mark Williams (1)
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