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/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/trips-history
10. brettcannon/microvenv
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. brettcannon/sans-io
22. microsoft/vscode-docs
23. brettcannon/modutil
24. brettcannon/time-clock
25. brettcannon/riscv-harmony
26. brettcannon/flatten_filenames
27. elixir-lang/elixir-lang.github.com
28. brettcannon/find-duplicate-files
29. uranusjr/packaging-metadata-comparisons
30. brettcannon/basicenum
31. angular/angular.js
32. pypa/setuptools
33. python-trio/trio
34. dusty-phillips/rescript-zora
35. microsoft/vscode-dev-containers
36. python/core-workflow
37. microsoft/vscode-python-devicesimulator
38. Azure-Samples/Azure-MachineLearning-DataScience
39. brettcannon/record-type
40. brettcannon/pip-secure-install
41. Azure/msrest-for-python
42. emmatyping/python-wasm
43. python-hyper/uritemplate
44. microsoft/TypeScript-Handbook
45. pypa/distutils
46. Azure/msrestazure-for-python
47. brettcannon/defy-layout-scorer
48. orsenthil/cpython-hg-to-git
49. python/buildmaster-config
50. python-hglib

1. benjaminp/six
2. python3statement/python3statement.github.io
3. python/steering-council
4. dusty-phillips/match-variant
5. brettcannon/choose-a-font.dev
6. brettcannon/importlib
7. JuliaLang/julia
8. rescript-lang/rescript-lang.org
9. brettcannon/nowhere-on-the-web
10. microsoft/vscode-telemetry-extractor
11. eclipse-archived/ceylon-lang.org
12. beeware/toga
13. python/blurb
14. lustre-labs/lustre
15. microsoft/vscode-anaconda-extension-pack
16. Azure/azure-sdk-for-python
17. python/cherry-picker
18. brettcannon/porting-to-python-3-notebook
19. python/typeshed
20. microsoft/vscode
21. python/planet
22. rust-lang/rust
23. micktwomey/pyiso8601
24. openlawlibrary/pygls
25. Homebrew/homebrew-core
26. cookiecutter/cookiecutter
27. github/gitignore
28. jazzband/pip-tools
29. aosabook/500lines
30. brettcannon/vscode-zephyr-asdl
31. square/dagger
32. WebAssembly/design
33. Homebrew/legacy-homebrew
34. pypa/pipenv
35. Mariatta/github-bot-tutorial
36. thechangelog/show-notes
37. brettcannon/cpython-wasi-buildbot
38. inko-lang/inko
39. python/psf-salt
40. python/cpython-devcontainers
41. microsoft/vscode-wiki
42. vstinner/misc
43. dotnet/docs
44. badges/shields
45. micropython/micropython
46. microsoft/vscode-isort
47. microsoft/vscode-python-templates
48. fastapi/sqlmodel
49. MPOS/php-mpos
50. sarugaku/resolvelib
51. python/typing
52. python/python-docs-theme
53. python/pyperformance
54. vibora-io/vibora
55. pyscript/pyscript
56. absurdia/absurdia-py
57. kushaldas/pym
58. progit/progit2
59. bloodyowl/rescript-test
60. conda/ceps
61. astral-sh/ruff
62. python/core-sprint
63. bytecodealliance/wasmtime
64. gleam-lang/language-tour
65. gleam-lang/otp
66. python/pythonineducation.org
67. python-hyper/h2
68. conda/conda
69. rustwasm/book
70. beeware/beeware.github.io
71. asyncio-docs/asyncio-doc
72. ponylang/pony-tutorial
73. huggingface/agents-course
74. microsoft/TypeScript-wiki
75. jaraco/skeleton
76. microsoft/vscode-docker
77. riverscuomo/apps
78. kushaldas/pep582
79. moby/mobywebsite
80. wntrblm/nox
81. microsoftarchive/msgraph-sdk-python
82. aio-libs/aiohttp
83. MicrosoftDocs/visualstudio-docs
84. microsoft/sql-server-samples
85. dabeaz/ply
86. buildout/buildout
87. MeeseeksBox/meeseeksbox.github.io
88. pypa/flit
89. WebAssembly/wasi-sdk
90. matplotlib/matplotlib
91. beeware/liquid-demo
92. rocketreach/rocketreach_python
93. larryhastings/appeal
94. microsoft/language-server-protocol
95. Django
96. riverscuomo/new-albums
97. score-spec/spec
98. oauthlib/oauthlib
99. markshannon/faster-cpython
100. reubeno/brush
101. regebro/supporting-python-3
102. bagder/http2-explained
103. pdm-project/pdm
104. Quansight-Labs/free-threaded-compatibility
105. psf/fundable-packaging-improvements
106. vscode-restructuredtext/vscode-restructuredtext
107. livebook-dev/livebook
108. gitkraken/vscode-gitlens
109. VSCodeVim/Vim
110. pypa/build
111. casey/just
112. Devid-Ba/Text-adventure
113. pyvideo/data
114. getsentry/responses
115. python/pythontestdotnet
116. jupyter-book/mystmd.org
117. Azure/azure-functions-python-library
118. nayafia/nayafia
119. bungcip/better-toml
120. bitbldr/sprocket_docs
121. WebAssembly/component-model
122. victor-o-silva/python-links-from-link-header
123. Azure/azure-cosmos-python
124. extism/extism
125. psf/black
126. astral-sh/uv
127. zwaldowski/match-label-action
128. stellar/new-docs
129. topazproject/topaz
130. lpil/sqlight
131. pytest-dev/pytest
132. pypa/trove-classifiers
133. python-poetry/tomlkit
134. psf/webassembly
135. MicrosoftDocs/azure-docs
136. microsoft/debugpy
137. Azure/azure-cli
138. pypi/warehouse
139. pablogsal/cpython_leaderboard
140. clearlydefined/website
141. realpython/python-guide
142. mesonbuild/meson
143. hynek/build-and-inspect-python-package
144. starship/starship
145. beeware/podium
146. okken/pytest-srcpaths
147. jupyter/jupyter.github.io
148. chhantyal/py3readiness
149. microsoft/az-partner-center-cli
150. Lukasa/language-restructuredtext
151. pyca/pyopenssl
152. microsoft/vscode-extension-samples
153. conda/conda-build
154. 11ty/11ty-website
155. jupyterlab/jupyterlab
156. rust-lang/rustfmt
157. microsoft/PTVS
158. lustre-labs/ui
159. golang/go
160. gleam-lang/gleam
161. google/yapf
162. twisted/klein
163. briandealwis/ferret
164. riscv-software-src/riscv-tests
165. gleam-lang/website
166. GraphQLGuide/book
167. ericpalakovichcarr/pytest-pythonpath
168. diogonfs/pyinit
169. jupyter/notebook
170. microsoftgraph/python-sample-pagination
171. microsoft/python-sample-vscode-django-tutorial
172. ebkalderon/tower-lsp
173. PyCQA/pyflakes
174. microsoft/vscode-tools-for-ai
175. gleam-lang/erlang
176. lorenzofox3/zora
177. aurelia/documentation
178. adafruit/Adafruit_CircuitPython_CircuitPlayground
179. palantir/python-language-server
180. ansible/ansible
181. beeware/briefcase
182. kushaldas/asaman
183. pypa/pipx
184. w3c/ServiceWorker
185. syl20bnr/spacemacs
186. spotify/pedalboard
187. vega/ipyvega
188. mozilla-services/konfig
189. cometkim/rescript-vitest
190. devcontainers/images
191. stellar/awesome-stellar
192. rust-lang/log
193. modelcontextprotocol/rust-sdk
194. brettcannon/exercism-solutions
195. scikit-learn/scikit-learn
196. python/importlib_metadata
197. google/grumpy
198. Homebrew/brew
199. Enderchief/gleam-tools
200. pypa/setuptools-scm
201. brettcannon/character-frequency
202. luabud/hello-vscodespaces
203. pycascades/welcome-wagon-2018
204. dusty-phillips/macabre
205. sphinx-doc/sphinx
206. cardoe/stderrlog-rs
207. python/mypy
208. Fyrd/caniuse
209. microsoft/vscode-pylint
210. microsoftgraph/microsoft-graph-docs-contrib
211. MagicStack/MagicPython
212. conda/conda-docs
213. actions-rs/install
214. pyvideo/old-pyvideo
215. saschpe/mozilla-plugins
216. facebook/pyre-check
217. devcontainers/features
218. stellar-deprecated/docs
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)
52. Eric Traut (5)
53. Irit Katriel (5)
54. Paul Prescod (4)
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. Adam Turner (2)
142. Steven Troxler (2)
143. Erik De Bonte (2)
144. Sam Gross (2)
145. Ralf Gommers (2)
146. Savannah Ostrowski (2)
147. Hood Chatham (2)
148. Daniel Stutzbach (2)
149. Joe Carey (2)
150. Martijn Faassen (1)
151. The Python core team and community (1)
152. Paul Barrett (1)
153. Peter Schneider-Kamp (1)
154. Huaiyu Zhu (1)
155. Gregory Lielens (1)
156. Paul F. Dubois (1)
157. Sean Reifschneider (1)
158. Grant Griffin (1)
159. Jonathan Riehl (1)
160. Jason Petrone (1)
161. Frédéric B. Giacometti (1)
162. James C. Ahlstrom (1)
163. Jim Althoff (1)
164. Neil Hodgson (1)
165. Trent Mick (1)
166. David Eppstein (1)
167. Walter Dörwald (1)
168. Oren Tirosh (1)
169. Stepan Koltsov (1)
170. Scott Gilbert (1)
171. Thomas Heller (1)
172. Jeff Epler (1)
173. Just van Rossum (1)
174. Thomas Bellman (1)
175. Kevin Altis (1)
176. Dave Cole (1)
177. Andrew McNamara (1)
178. Cliff Wells (1)
179. Jack Diederich (1)
180. Peter Harris (1)
181. Roman Suzi (1)
182. Mike Meyer (1)
183. W Isaac Carroll (1)
184. Terence Way (1)
185. Steven Taschuk (1)
186. Kevin D. Smith (1)
187. Peter Astrand (1)
188. Samuele Pedroni (1)
189. Christian R. Reis (1)
190. Andrew McClelland (1)
191. Michael P. Dubner (1)
192. Micah Elliott (1)
193. Björn Lindqvist (1)
194. Jiwon Seo (1)
195. Ben North (1)
196. Lino Mastrodomenico (1)
197. Richard Oudkerk (1)
198. Alexandre Vassalotti (1)
199. Jervis Whitley (1)
200. Kerrick Staley (1)
201. Greg Slodkowicz (1)
202. Michael Foord (1)
203. Paul Colomiets (1)
204. Daniel Urban (1)
205. Benoit Bryon (1)
206. Lennart Regebro (1)
207. Todd Rovito (1)
208. Stefan Krah (1)
209. Holger Krekel (1)
210. Chris McDonough (1)
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236. Markus Meskanen (1)
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