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

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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)
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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)
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32. Pablo Galindo (7)
33. Jelle Zijlstra (7)
34. William Woodruff (7)
35. David Goodger (6)
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37. Jim J. Jewett (6)
38. Phillip J. Eby (6)
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40. Chris Angelico (6)
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43. Pablo Galindo Salgado (6)
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48. Skip Montanaro (5)
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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)
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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)
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194. Jiwon Seo (1)
195. Ben North (1)
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