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/dotfiles
14. pypa/packaging
15. brettcannon/free-labour
16. brettcannon/travelbrag
17. Which-Film/which-film.info

1. brettcannon/mousebender
2. microsoft/pvscbot
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/python-azure-web-app-cookiecutter
13. brettcannon/check-for-changed-files
14. pypa/packaging.python.org
15. brettcannon/py-pip
16. brettcannon/cpython-wasi-build
17. brettcannon/stdlib-stats
18. brettcannon/mnfy
19. microsoft/vscode-docs-archive
20. microsoft/vscode-docs
21. dabeaz/curio
22. brettcannon/sans-io
23. brettcannon/modutil
24. brettcannon/time-clock
25. brettcannon/find-duplicate-files
26. brettcannon/flatten_filenames
27. brettcannon/riscv-harmony
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. microsoft/vscode-dev-containers
35. dusty-phillips/rescript-zora
36. python/core-workflow
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. pypa/distutils
43. Azure/msrestazure-for-python
44. microsoft/TypeScript-Handbook
45. emmatyping/python-wasm
46. python-hyper/uritemplate
47. python/buildmaster-config
48. brettcannon/defy-layout-scorer
49. orsenthil/cpython-hg-to-git
50. python-hglib

1. benjaminp/six
2. python3statement/python3statement.github.io
3. JuliaLang/julia
4. brettcannon/choose-a-font.dev
5. brettcannon/importlib
6. python/steering-council
7. dusty-phillips/match-variant
8. beeware/toga
9. lustre-labs/lustre
10. eclipse-archived/ceylon-lang.org
11. microsoft/vscode-telemetry-extractor
12. python/blurb
13. microsoft/vscode-anaconda-extension-pack
14. brettcannon/nowhere-on-the-web
15. rescript-lang/rescript-lang.org
16. brettcannon/porting-to-python-3-notebook
17. python/cherry-picker
18. Azure/azure-sdk-for-python
19. rust-lang/rust
20. python/typeshed
21. python/cpython-devcontainers
22. microsoft/vscode
23. openlawlibrary/pygls
24. micktwomey/pyiso8601
25. python/planet
26. aosabook/500lines
27. brettcannon/vscode-zephyr-asdl
28. github/gitignore
29. Homebrew/homebrew-core
30. cookiecutter/cookiecutter
31. WebAssembly/design
32. square/dagger
33. pypa/pipenv
34. Homebrew/legacy-homebrew
35. microsoft/vscode-wiki
36. inko-lang/inko
37. Mariatta/github-bot-tutorial
38. jazzband/pip-tools
39. vstinner/misc
40. dotnet/docs
41. python/psf-salt
42. brettcannon/cpython-wasi-buildbot
43. thechangelog/show-notes
44. micropython/micropython
45. badges/shields
46. asyncio-docs/asyncio-doc
47. python/typing
48. dabeaz/ply
49. microsoft/vscode-docker
50. python-hyper/h2
51. aio-libs/aiohttp
52. beeware/liquid-demo
53. MicrosoftDocs/visualstudio-docs
54. python/core-sprint
55. kushaldas/pep582
56. python/pyperformance
57. MeeseeksBox/meeseeksbox.github.io
58. microsoft/language-server-protocol
59. ponylang/pony-tutorial
60. bytecodealliance/wasmtime
61. buildout/buildout
62. python/pythonineducation.org
63. pyscript/pyscript
64. rustwasm/book
65. pypa/flit
66. microsoft/vscode-python-templates
67. sarugaku/resolvelib
68. conda/ceps
69. gleam-lang/language-tour
70. vibora-io/vibora
71. microsoftarchive/msgraph-sdk-python
72. huggingface/agents-course
73. progit/progit2
74. microsoft/sql-server-samples
75. microsoft/TypeScript-wiki
76. wntrblm/nox
77. kushaldas/pym
78. matplotlib/matplotlib
79. python/python-docs-theme
80. moby/mobywebsite
81. astral-sh/ruff
82. bloodyowl/rescript-test
83. beeware/beeware.github.io
84. riverscuomo/apps
85. jaraco/skeleton
86. MPOS/php-mpos
87. fastapi/sqlmodel
88. WebAssembly/wasi-sdk
89. microsoft/vscode-isort
90. larryhastings/appeal
91. conda/conda
92. gleam-lang/otp
93. Django
94. microsoft/vscode-tools-for-ai
95. spotify/pedalboard
96. MicrosoftDocs/azure-docs
97. regebro/supporting-python-3
98. python/mypy
99. brettcannon/exercism-solutions
100. pycascades/welcome-wagon-2018
101. lpil/sqlight
102. rocketreach/rocketreach_python
103. pypa/trove-classifiers
104. okken/pytest-srcpaths
105. getsentry/responses
106. Azure/azure-cli
107. WebAssembly/component-model
108. psf/webassembly
109. casey/just
110. beeware/briefcase
111. microsoft/PTVS
112. pdm-project/pdm
113. ebkalderon/tower-lsp
114. devcontainers/features
115. python/importlib_metadata
116. Fyrd/caniuse
117. ericpalakovichcarr/pytest-pythonpath
118. mesonbuild/meson
119. zwaldowski/match-label-action
120. gitkraken/vscode-gitlens
121. lustre-labs/ui
122. dusty-phillips/macabre
123. stellar-deprecated/docs
124. gleam-lang/website
125. gleam-lang/erlang
126. Quansight-Labs/free-threaded-compatibility
127. markshannon/faster-cpython
128. bagder/http2-explained
129. 11ty/11ty-website
130. luabud/hello-vscodespaces
131. jupyterlab/jupyterlab
132. psf/black
133. microsoft/debugpy
134. psf/fundable-packaging-improvements
135. score-spec/spec
136. microsoft/python-sample-vscode-django-tutorial
137. facebook/pyre-check
138. cardoe/stderrlog-rs
139. vscode-restructuredtext/vscode-restructuredtext
140. saschpe/mozilla-plugins
141. lorenzofox3/zora
142. rust-lang/log
143. extism/extism
144. twisted/klein
145. nayafia/nayafia
146. beeware/podium
147. aurelia/documentation
148. jupyter/jupyter.github.io
149. gleam-lang/gleam
150. stellar/new-docs
151. bungcip/better-toml
152. stellar/awesome-stellar
153. victor-o-silva/python-links-from-link-header
154. microsoft/vscode-pylint
155. pypi/warehouse
156. dotnet/aspire
157. Homebrew/brew
158. clearlydefined/website
159. oauthlib/oauthlib
160. pablogsal/cpython_leaderboard
161. microsoftgraph/microsoft-graph-docs-contrib
162. chhantyal/py3readiness
163. vega/ipyvega
164. python-poetry/tomlkit
165. ansible/ansible
166. MagicStack/MagicPython
167. syl20bnr/spacemacs
168. pypa/pipx
169. jupyter-book/mystmd.org
170. palantir/python-language-server
171. VSCodeVim/Vim
172. Devid-Ba/Text-adventure
173. PyCQA/pyflakes
174. adafruit/Adafruit_CircuitPython_CircuitPlayground
175. microsoftgraph/python-sample-pagination
176. hynek/build-and-inspect-python-package
177. GraphQLGuide/book
178. conda/conda-build
179. livebook-dev/livebook
180. python/pythontestdotnet
181. mozilla-services/konfig
182. astral-sh/uv
183. rust-lang/rustfmt
184. cometkim/rescript-vitest
185. golang/go
186. absurdia/absurdia-py
187. pytest-dev/pytest
188. devcontainers/images
189. riverscuomo/new-albums
190. jupyter/notebook
191. Enderchief/gleam-tools
192. reubeno/brush
193. Lukasa/language-restructuredtext
194. actions-rs/install
195. briandealwis/ferret
196. diogonfs/pyinit
197. scikit-learn/scikit-learn
198. Azure/azure-cosmos-python
199. google/yapf
200. sphinx-doc/sphinx
201. Azure/azure-functions-python-library
202. riscv-software-src/riscv-tests
203. pypa/build
204. w3c/ServiceWorker
205. kushaldas/asaman
206. starship/starship
207. pyvideo/data
208. pyvideo/old-pyvideo
209. pyca/pyopenssl
210. brettcannon/character-frequency
211. pypa/setuptools-scm
212. topazproject/topaz
213. conda/conda-docs
214. bitbldr/sprocket_docs
215. realpython/python-guide
216. microsoft/az-partner-center-cli
217. modelcontextprotocol/rust-sdk
218. microsoft/vscode-extension-samples
219. google/grumpy
220. PyPy
221. defusedexpat
222. expat
223. Mercurial
224. vim
225. 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)
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