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