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. 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/microvenv
10. brettcannon/trips-history
11. brettcannon/pep425
12. brettcannon/check-for-changed-files
13. pypa/packaging.python.org
14. brettcannon/py-pip
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/riscv-harmony
25. brettcannon/time-clock
26. brettcannon/flatten_filenames
27. brettcannon/find-duplicate-files
28. elixir-lang/elixir-lang.github.com
29. brettcannon/basicenum
30. uranusjr/packaging-metadata-comparisons
31. angular/angular.js
32. pypa/setuptools
33. python-trio/trio
34. python/core-workflow
35. dusty-phillips/rescript-zora
36. microsoft/vscode-dev-containers
37. Azure-Samples/Azure-MachineLearning-DataScience
38. microsoft/vscode-python-devicesimulator
39. brettcannon/pip-secure-install
40. brettcannon/record-type
41. Azure/msrest-for-python
42. python-hyper/uritemplate
43. microsoft/TypeScript-Handbook
44. Azure/msrestazure-for-python
45. pypa/distutils
46. emmatyping/python-wasm
47. brettcannon/defy-layout-scorer
48. python/buildmaster-config
49. orsenthil/cpython-hg-to-git
50. python-hglib

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