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/travelbrag
14. brettcannon/free-labour
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. python/devinabox
8. brettcannon/WWBD
9. brettcannon/trips-history
10. brettcannon/microvenv
11. brettcannon/pep425
12. brettcannon/check-for-changed-files
13. brettcannon/py-pip
14. pypa/packaging.python.org
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/time-clock
25. elixir-lang/elixir-lang.github.com
26. brettcannon/find-duplicate-files
27. brettcannon/riscv-harmony
28. brettcannon/flatten_filenames
29. brettcannon/basicenum
30. uranusjr/packaging-metadata-comparisons
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. 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. emmatyping/python-wasm
43. python-hyper/uritemplate
44. pypa/distutils
45. microsoft/TypeScript-Handbook
46. Azure/msrestazure-for-python
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. JuliaLang/julia
4. dusty-phillips/match-variant
5. brettcannon/importlib
6. brettcannon/choose-a-font.dev
7. python/steering-council
8. lustre-labs/lustre
9. microsoft/vscode-anaconda-extension-pack
10. rescript-lang/rescript-lang.org
11. microsoft/vscode-telemetry-extractor
12. brettcannon/nowhere-on-the-web
13. python/blurb
14. beeware/toga
15. eclipse-archived/ceylon-lang.org
16. brettcannon/porting-to-python-3-notebook
17. Azure/azure-sdk-for-python
18. python/cherry-picker
19. microsoft/vscode
20. rust-lang/rust
21. micktwomey/pyiso8601
22. python/planet
23. python/typeshed
24. openlawlibrary/pygls
25. pypa/pipenv
26. Homebrew/homebrew-core
27. github/gitignore
28. Homebrew/legacy-homebrew
29. brettcannon/vscode-zephyr-asdl
30. aosabook/500lines
31. square/dagger
32. WebAssembly/design
33. cookiecutter/cookiecutter
34. microsoft/vscode-wiki
35. inko-lang/inko
36. dotnet/docs
37. brettcannon/cpython-wasi-buildbot
38. Mariatta/github-bot-tutorial
39. jazzband/pip-tools
40. thechangelog/show-notes
41. python/psf-salt
42. vstinner/misc
43. badges/shields
44. micropython/micropython
45. python/cpython-devcontainers
46. pypa/flit
47. WebAssembly/wasi-sdk
48. python-hyper/h2
49. conda/ceps
50. aio-libs/aiohttp
51. riverscuomo/apps
52. kushaldas/pep582
53. matplotlib/matplotlib
54. bytecodealliance/wasmtime
55. larryhastings/appeal
56. huggingface/agents-course
57. progit/progit2
58. jaraco/skeleton
59. sarugaku/resolvelib
60. MicrosoftDocs/visualstudio-docs
61. microsoft/vscode-docker
62. vibora-io/vibora
63. dabeaz/ply
64. python/python-docs-theme
65. astral-sh/ruff
66. rustwasm/book
67. zwaldowski/match-label-action
68. python/pyperformance
69. MeeseeksBox/meeseeksbox.github.io
70. asyncio-docs/asyncio-doc
71. moby/mobywebsite
72. bloodyowl/rescript-test
73. pyscript/pyscript
74. brettcannon/character-frequency
75. conda/conda
76. buildout/buildout
77. microsoft/vscode-python-templates
78. MPOS/php-mpos
79. microsoft/TypeScript-wiki
80. ponylang/pony-tutorial
81. microsoft/vscode-isort
82. beeware/liquid-demo
83. python/core-sprint
84. microsoftarchive/msgraph-sdk-python
85. fastapi/sqlmodel
86. kushaldas/pym
87. microsoft/sql-server-samples
88. gleam-lang/language-tour
89. python/pythonineducation.org
90. microsoft/language-server-protocol
91. python/typing
92. Django
93. Azure/azure-cli
94. hynek/build-and-inspect-python-package
95. bitbldr/sprocket_docs
96. google/grumpy
97. microsoft/vscode-tools-for-ai
98. pypa/setuptools-scm
99. stellar-deprecated/docs
100. Devid-Ba/Text-adventure
101. kushaldas/asaman
102. lustre-labs/ui
103. cardoe/stderrlog-rs
104. microsoft/vscode-extension-samples
105. getsentry/responses
106. Homebrew/brew
107. gleam-lang/website
108. okken/pytest-srcpaths
109. extism/extism
110. spotify/pedalboard
111. scikit-learn/scikit-learn
112. devcontainers/features
113. pypi/warehouse
114. conda/conda-build
115. ericpalakovichcarr/pytest-pythonpath
116. briandealwis/ferret
117. facebook/pyre-check
118. vscode-restructuredtext/vscode-restructuredtext
119. devcontainers/images
120. microsoft/vscode-pylint
121. ansible/ansible
122. microsoft/PTVS
123. gleam-lang/gleam
124. jupyter/jupyter.github.io
125. sphinx-doc/sphinx
126. mesonbuild/meson
127. absurdia/absurdia-py
128. VSCodeVim/Vim
129. adafruit/Adafruit_CircuitPython_CircuitPlayground
130. oauthlib/oauthlib
131. microsoftgraph/microsoft-graph-docs-contrib
132. markshannon/faster-cpython
133. clearlydefined/website
134. vega/ipyvega
135. bagder/http2-explained
136. w3c/ServiceWorker
137. jupyter-book/mystmd.org
138. palantir/python-language-server
139. python/pythontestdotnet
140. aurelia/documentation
141. cometkim/rescript-vitest
142. WebAssembly/component-model
143. twisted/klein
144. gleam-lang/otp
145. jupyterlab/jupyterlab
146. regebro/supporting-python-3
147. conda/conda-docs
148. victor-o-silva/python-links-from-link-header
149. Azure/azure-functions-python-library
150. stellar/awesome-stellar
151. pablogsal/cpython_leaderboard
152. microsoft/az-partner-center-cli
153. Quansight-Labs/free-threaded-compatibility
154. MicrosoftDocs/azure-docs
155. actions-rs/install
156. casey/just
157. rust-lang/rustfmt
158. livebook-dev/livebook
159. rust-lang/log
160. syl20bnr/spacemacs
161. score-spec/spec
162. riscv-software-src/riscv-tests
163. saschpe/mozilla-plugins
164. pypa/pipx
165. topazproject/topaz
166. pyca/pyopenssl
167. nayafia/nayafia
168. pypa/trove-classifiers
169. Enderchief/gleam-tools
170. pypa/build
171. python/mypy
172. riverscuomo/new-albums
173. lorenzofox3/zora
174. bungcip/better-toml
175. microsoft/debugpy
176. jupyter/notebook
177. golang/go
178. rocketreach/rocketreach_python
179. GraphQLGuide/book
180. MagicStack/MagicPython
181. reubeno/brush
182. Fyrd/caniuse
183. psf/webassembly
184. Lukasa/language-restructuredtext
185. gitkraken/vscode-gitlens
186. python-poetry/tomlkit
187. luabud/hello-vscodespaces
188. psf/black
189. diogonfs/pyinit
190. ebkalderon/tower-lsp
191. pdm-project/pdm
192. dusty-phillips/macabre
193. realpython/python-guide
194. google/yapf
195. astral-sh/uv
196. pytest-dev/pytest
197. mozilla-services/konfig
198. Azure/azure-cosmos-python
199. pyvideo/data
200. stellar/new-docs
201. starship/starship
202. python/importlib_metadata
203. psf/fundable-packaging-improvements
204. microsoft/python-sample-vscode-django-tutorial
205. chhantyal/py3readiness
206. microsoftgraph/python-sample-pagination
207. pycascades/welcome-wagon-2018
208. wntrblm/nox
209. 11ty/11ty-website
210. PyCQA/pyflakes
211. pyvideo/old-pyvideo
212. PyPy
213. defusedexpat
214. expat
215. Mercurial
216. vim
217. 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. Jeremy Hylton (7)
27. Thomas Wouters (7)
28. Moshe Zadka (7)
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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)
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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)
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44. William Woodruff (6)
45. Collin Winter (6)
46. Anthony Baxter (5)
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48. Skip Montanaro (5)
49. Ethan Furman (5)
50. Talin (5)
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52. Irit Katriel (5)
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56. Tarek Ziadé (4)
57. Carl Meyer (4)
58. Jukka Lehtosalo (4)
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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. Sergey B Kirpichev (3)
85. Gregory P. Smith (3)
86. Hugo van Kemenade (3)
87. Ewa Jodlowska (3)
88. Aahz (2)
89. Oleg Broytman (2)
90. Fred L. Drake (2)
91. Jr. (2)
92. David Ascher (2)
93. Greg Wilson (2)
94. Gordon McMillan (2)
95. Christopher A. Craig (2)
96. Clark C. Evans (2)
97. Greg Stein (2)
98. Magnus Lie Hetland (2)
99. Jack Jansen (2)
100. Vinay Sajip (2)
101. Mark Hammond (2)
102. Josiah Carlson (2)
103. Terry Reedy (2)
104. Facundo Batista (2)
105. Ben Finney (2)
106. Calvin Spealman (2)
107. Tim Delaney (2)
108. Jesse Noller (2)
109. Stephen J. Turnbull (2)
110. Dirkjan Ochtman (2)
111. Miro Hrončok (2)
112. Cameron Simpson (2)
113. Alex Gaynor (2)
114. Ronald Oussoren (2)
115. Trishank Karthik Kuppusamy (2)
116. Vladimir Diaz (2)
117. Marina Moore (2)
118. Justin Cappos (2)
119. Stefano Borini (2)
120. Stefan Behnel (2)
121. Ned Deily (2)
122. Alexander Belopolsky (2)
123. Nick Humrich (2)
124. Mark E. Haase (2)
125. Robert Collins (2)
126. Koos Zevenhoven (2)
127. Cory Benfield (2)
128. Marcel Plch (2)
129. Mario Corchero (2)
130. Geoffrey Thomas (2)
131. Maggie Moss (2)
132. Stéphane Bidoul (2)
133. Mark Mendoza (2)
134. Shannon Zhu (2)
135. Paul Ganssle (2)
136. Daniel F Moisset (2)
137. Tobias Kohn (2)
138. David Foster (2)
139. Tal Einat (2)
140. Steven Troxler (2)
141. Erik De Bonte (2)
142. Sam Gross (2)
143. Ralf Gommers (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)
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