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