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/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. brettcannon/WWBD
8. python/devinabox
9. brettcannon/trips-history
10. brettcannon/pep425
11. brettcannon/microvenv
12. brettcannon/check-for-changed-files
13. brettcannon/py-pip
14. brettcannon/python-azure-web-app-cookiecutter
15. brettcannon/stdlib-stats
16. brettcannon/cpython-wasi-build
17. brettcannon/mnfy
18. microsoft/vscode-docs-archive
19. dabeaz/curio
20. microsoft/vscode-docs
21. brettcannon/sans-io
22. pypa/packaging.python.org
23. brettcannon/modutil
24. brettcannon/time-clock
25. brettcannon/find-duplicate-files
26. brettcannon/riscv-harmony
27. brettcannon/flatten_filenames
28. elixir-lang/elixir-lang.github.com
29. uranusjr/packaging-metadata-comparisons
30. brettcannon/basicenum
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. microsoft/vscode-python-devicesimulator
38. Azure-Samples/Azure-MachineLearning-DataScience
39. Azure/msrest-for-python
40. brettcannon/pip-secure-install
41. brettcannon/record-type
42. emmatyping/python-wasm
43. Azure/msrestazure-for-python
44. python-hyper/uritemplate
45. pypa/distutils
46. microsoft/TypeScript-Handbook
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/importlib
4. dusty-phillips/match-variant
5. brettcannon/choose-a-font.dev
6. JuliaLang/julia
7. python/steering-council
8. microsoft/vscode-anaconda-extension-pack
9. microsoft/vscode-telemetry-extractor
10. lustre-labs/lustre
11. rescript-lang/rescript-lang.org
12. python/blurb
13. brettcannon/nowhere-on-the-web
14. eclipse-archived/ceylon-lang.org
15. Azure/azure-sdk-for-python
16. python/cherry-picker
17. brettcannon/porting-to-python-3-notebook
18. beeware/toga
19. microsoft/vscode
20. python/planet
21. rust-lang/rust
22. micktwomey/pyiso8601
23. python/typeshed
24. aosabook/500lines
25. Homebrew/legacy-homebrew
26. pypa/pipenv
27. Homebrew/homebrew-core
28. WebAssembly/design
29. square/dagger
30. github/gitignore
31. brettcannon/vscode-zephyr-asdl
32. openlawlibrary/pygls
33. cookiecutter/cookiecutter
34. brettcannon/cpython-wasi-buildbot
35. Mariatta/github-bot-tutorial
36. thechangelog/show-notes
37. micropython/micropython
38. jazzband/pip-tools
39. vstinner/misc
40. dotnet/docs
41. badges/shields
42. microsoft/vscode-wiki
43. python/psf-salt
44. inko-lang/inko
45. microsoft/sql-server-samples
46. python/typing
47. MPOS/php-mpos
48. pyscript/pyscript
49. conda/ceps
50. microsoftarchive/msgraph-sdk-python
51. aio-libs/aiohttp
52. kushaldas/pep582
53. microsoft/vscode-isort
54. microsoft/vscode-python-templates
55. buildout/buildout
56. bloodyowl/rescript-test
57. MicrosoftDocs/visualstudio-docs
58. asyncio-docs/asyncio-doc
59. matplotlib/matplotlib
60. MeeseeksBox/meeseeksbox.github.io
61. rustwasm/book
62. larryhastings/appeal
63. beeware/liquid-demo
64. microsoft/vscode-docker
65. python/python-docs-theme
66. vibora-io/vibora
67. python/pythonineducation.org
68. microsoft/language-server-protocol
69. microsoft/TypeScript-wiki
70. moby/mobywebsite
71. dabeaz/ply
72. ponylang/pony-tutorial
73. python/pyperformance
74. python-hyper/h2
75. python/core-sprint
76. conda/conda
77. WebAssembly/wasi-sdk
78. progit/progit2
79. gleam-lang/language-tour
80. jaraco/skeleton
81. bytecodealliance/wasmtime
82. riverscuomo/apps
83. sarugaku/resolvelib
84. astral-sh/ruff
85. pypa/flit
86. kushaldas/pym
87. Django
88. microsoft/vscode-tools-for-ai
89. microsoft/debugpy
90. bitbldr/sprocket_docs
91. pyvideo/data
92. pypa/build
93. victor-o-silva/python-links-from-link-header
94. saschpe/mozilla-plugins
95. pypa/trove-classifiers
96. pypa/setuptools-scm
97. bungcip/better-toml
98. microsoft/vscode-pylint
99. jupyterlab/jupyterlab
100. jupyter/notebook
101. luabud/hello-vscodespaces
102. mozilla-services/konfig
103. realpython/python-guide
104. score-spec/spec
105. microsoft/az-partner-center-cli
106. devcontainers/images
107. oauthlib/oauthlib
108. microsoft/python-sample-vscode-django-tutorial
109. psf/webassembly
110. Fyrd/caniuse
111. brettcannon/character-frequency
112. ericpalakovichcarr/pytest-pythonpath
113. topazproject/topaz
114. python/mypy
115. lorenzofox3/zora
116. lustre-labs/ui
117. Quansight-Labs/free-threaded-compatibility
118. golang/go
119. mesonbuild/meson
120. ebkalderon/tower-lsp
121. conda/conda-docs
122. regebro/supporting-python-3
123. MicrosoftDocs/azure-docs
124. Azure/azure-cli
125. twisted/klein
126. extism/extism
127. gleam-lang/website
128. bagder/http2-explained
129. python/pythontestdotnet
130. microsoftgraph/microsoft-graph-docs-contrib
131. okken/pytest-srcpaths
132. spotify/pedalboard
133. jupyter-book/mystmd.org
134. pypi/warehouse
135. VSCodeVim/Vim
136. cometkim/rescript-vitest
137. scikit-learn/scikit-learn
138. briandealwis/ferret
139. starship/starship
140. microsoft/PTVS
141. 11ty/11ty-website
142. astral-sh/uv
143. huggingface/agents-course
144. aurelia/documentation
145. gitkraken/vscode-gitlens
146. rust-lang/rustfmt
147. pyvideo/old-pyvideo
148. gleam-lang/gleam
149. python/importlib_metadata
150. WebAssembly/component-model
151. microsoftgraph/python-sample-pagination
152. vega/ipyvega
153. devcontainers/features
154. zwaldowski/match-label-action
155. ansible/ansible
156. Azure/azure-cosmos-python
157. w3c/ServiceWorker
158. MagicStack/MagicPython
159. pypa/pipx
160. cardoe/stderrlog-rs
161. gleam-lang/otp
162. livebook-dev/livebook
163. kushaldas/asaman
164. PyCQA/pyflakes
165. psf/fundable-packaging-improvements
166. actions-rs/install
167. GraphQLGuide/book
168. google/yapf
169. microsoft/vscode-extension-samples
170. psf/black
171. rocketreach/rocketreach_python
172. absurdia/absurdia-py
173. dusty-phillips/macabre
174. Lukasa/language-restructuredtext
175. markshannon/faster-cpython
176. chhantyal/py3readiness
177. wntrblm/nox
178. diogonfs/pyinit
179. sphinx-doc/sphinx
180. hynek/build-and-inspect-python-package
181. vscode-restructuredtext/vscode-restructuredtext
182. nayafia/nayafia
183. pytest-dev/pytest
184. pycascades/welcome-wagon-2018
185. rust-lang/log
186. stellar/new-docs
187. syl20bnr/spacemacs
188. Homebrew/brew
189. adafruit/Adafruit_CircuitPython_CircuitPlayground
190. conda/conda-build
191. Devid-Ba/Text-adventure
192. google/grumpy
193. pyca/pyopenssl
194. python-poetry/tomlkit
195. stellar/awesome-stellar
196. clearlydefined/website
197. casey/just
198. stellar-deprecated/docs
199. jupyter/jupyter.github.io
200. Enderchief/gleam-tools
201. pablogsal/cpython_leaderboard
202. palantir/python-language-server
203. Azure/azure-functions-python-library
204. riverscuomo/new-albums
205. pdm-project/pdm
206. riscv-software-src/riscv-tests
207. getsentry/responses
208. facebook/pyre-check
209. PyPy
210. defusedexpat
211. expat
212. Mercurial
213. vim

(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 (18)
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. Gregory P. Smith (3)
85. Ewa Jodlowska (3)
86. Aahz (2)
87. Oleg Broytman (2)
88. Fred L. Drake (2)
89. Jr. (2)
90. David Ascher (2)
91. Greg Wilson (2)
92. Gordon McMillan (2)
93. Christopher A. Craig (2)
94. Clark C. Evans (2)
95. Greg Stein (2)
96. Magnus Lie Hetland (2)
97. Jack Jansen (2)
98. Vinay Sajip (2)
99. Mark Hammond (2)
100. Josiah Carlson (2)
101. Terry Reedy (2)
102. Facundo Batista (2)
103. Ben Finney (2)
104. Calvin Spealman (2)
105. Tim Delaney (2)
106. Jesse Noller (2)
107. Stephen J. Turnbull (2)
108. Dirkjan Ochtman (2)
109. Miro Hrončok (2)
110. Cameron Simpson (2)
111. Alex Gaynor (2)
112. Ronald Oussoren (2)
113. Trishank Karthik Kuppusamy (2)
114. Vladimir Diaz (2)
115. Marina Moore (2)
116. Justin Cappos (2)
117. Stefano Borini (2)
118. Stefan Behnel (2)
119. Ned Deily (2)
120. Alexander Belopolsky (2)
121. Nick Humrich (2)
122. Mark E. Haase (2)
123. Robert Collins (2)
124. Koos Zevenhoven (2)
125. Cory Benfield (2)
126. Marcel Plch (2)
127. Mario Corchero (2)
128. Geoffrey Thomas (2)
129. Maggie Moss (2)
130. Stéphane Bidoul (2)
131. Mark Mendoza (2)
132. Shannon Zhu (2)
133. Paul Ganssle (2)
134. Daniel F Moisset (2)
135. Tobias Kohn (2)
136. David Foster (2)
137. Tal Einat (2)
138. Steven Troxler (2)
139. Erik De Bonte (2)
140. Sam Gross (2)
141. Ralf Gommers (2)
142. Sergey B Kirpichev (2)
143. Facundo Tuesca (2)
144. Savannah Ostrowski (2)
145. Hugo van Kemenade (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)
208. Holger Krekel (1)
209. Chris McDonough (1)
210. Joshua Landau (1)
211. Lukas Puehringer (1)
212. Joshua Lock (1)
213. Lois Anne DeLong (1)
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240. Mark Williams (1)
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274. Germán Méndez Bravo (1)
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340. Brian Quinlan (1)
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