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