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. pypa/packaging
14. brettcannon/dotfiles
15. brettcannon/free-labour
16. amcinnes87/travelbrag
17. Which-Film/which-film.info
18. python/importlib_resources

1. brettcannon/mousebender
2. microsoft/pvscbot
3. PyCQA/modernize
4. brettcannon/release-often
5. pypa/packaging.python.org
6. python/bedevere
7. python/devinabox
8. brettcannon/WWBD
9. brettcannon/check-for-changed-files
10. brettcannon/microvenv
11. brettcannon/trips-history
12. brettcannon/pep425
13. brettcannon/py-pip
14. brettcannon/cpython-wasi-build
15. brettcannon/python-azure-web-app-cookiecutter
16. brettcannon/stdlib-stats
17. brettcannon/mnfy
18. microsoft/vscode-docs-archive
19. dabeaz/curio
20. brettcannon/sans-io
21. microsoft/vscode-docs
22. brettcannon/modutil
23. brettcannon/time-clock
24. elixir-lang/elixir-lang.github.com
25. brettcannon/flatten_filenames
26. brettcannon/riscv-harmony
27. brettcannon/find-duplicate-files
28. uranusjr/packaging-metadata-comparisons
29. brettcannon/basicenum
30. angular/angular.js
31. pypa/setuptools
32. python-trio/trio
33. python/core-workflow
34. microsoft/vscode-dev-containers
35. dusty-phillips/rescript-zora
36. Azure-Samples/Azure-MachineLearning-DataScience
37. microsoft/vscode-python-devicesimulator
38. Azure/msrest-for-python
39. brettcannon/pip-secure-install
40. brettcannon/record-type
41. Azure/msrestazure-for-python
42. emmatyping/python-wasm
43. python-hyper/uritemplate
44. pypa/distutils
45. microsoft/TypeScript-Handbook
46. python/cpython-devcontainers
47. brettcannon/defy-layout-scorer
48. python/buildmaster-config
49. orsenthil/cpython-hg-to-git
50. python-hglib

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

(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 (20)
8. Martin von Löwis (17)
9. Steve Dower (16)
10. Łukasz Langa (15)
11. Nathaniel J. Smith (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. Pradyun Gedam (9)
22. Ee Durbin (9)
23. Thomas Wouters (8)
24. Yury Selivanov (8)
25. Larry Hastings (8)
26. Christian Heimes (8)
27. Ivan Levkivskyi (8)
28. Pablo Galindo (8)
29. William Woodruff (8)
30. Jeremy Hylton (7)
31. Moshe Zadka (7)
32. Benjamin Peterson (7)
33. Dustin Ingram (7)
34. Jelle Zijlstra (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. Zac Hatfield-Dodds (4)
67. Travis Oliphant (3)
68. Michel Pelletier (3)
69. Alex Martelli (3)
70. Michael Hudson (3)
71. Neal Norwitz (3)
72. Steven Bethard (3)
73. Armin Ronacher (3)
74. Carol Willing (3)
75. Eli Bendersky (3)
76. Eric V. Smith (3)
77. Steven D'Aprano (3)
78. Jeffrey Yasskin (3)
79. Batuhan Taskaya (3)
80. Filipe Laíns (3)
81. Erlend Egeberg Aasland (3)
82. James Hilton-Balfe (3)
83. Shantanu Jain (3)
84. Ralf Gommers (3)
85. Sergey B Kirpichev (3)
86. Gregory P. Smith (3)
87. Facundo Tuesca (3)
88. Hugo van Kemenade (3)
89. Ewa Jodlowska (3)
90. Aahz (2)
91. Oleg Broytman (2)
92. Fred L. Drake, 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. Dino Viehland (2)
129. Cory Benfield (2)
130. Marcel Plch (2)
131. Mario Corchero (2)
132. Geoffrey Thomas (2)
133. Maggie Moss (2)
134. Stéphane Bidoul (2)
135. Mark Mendoza (2)
136. Shannon Zhu (2)
137. Paul Ganssle (2)
138. Daniel F Moisset (2)
139. Tobias Kohn (2)
140. David Foster (2)
141. Tal Einat (2)
142. Adam Turner (2)
143. Steven Troxler (2)
144. Stan Ulbrych (2)
145. Erik De Bonte (2)
146. Germán Méndez Bravo (2)
147. Sam Gross (2)
148. Jaime Rodríguez-Guerra (2)
149. Savannah Ostrowski (2)
150. Seth Michael Larson (2)
151. Michael Sarahan (2)
152. Hood Chatham (2)
153. Daniel Stutzbach (2)
154. Joe Carey (2)
155. Martijn Faassen (1)
156. The Python core team and community (1)
157. Paul Barrett (1)
158. Peter Schneider-Kamp (1)
159. Huaiyu Zhu (1)
160. Gregory Lielens (1)
161. Paul F. Dubois (1)
162. Sean Reifschneider (1)
163. Grant Griffin (1)
164. Jonathan Riehl (1)
165. Jason Petrone (1)
166. Frédéric B. Giacometti (1)
167. James C. Ahlstrom (1)
168. Jim Althoff (1)
169. Neil Hodgson (1)
170. Trent Mick (1)
171. David Eppstein (1)
172. Walter Dörwald (1)
173. Oren Tirosh (1)
174. Stepan Koltsov (1)
175. Scott Gilbert (1)
176. Thomas Heller (1)
177. Jeff Epler (1)
178. Just van Rossum (1)
179. Thomas Bellman (1)
180. Kevin Altis (1)
181. Dave Cole (1)
182. Andrew McNamara (1)
183. Cliff Wells (1)
184. Jack Diederich (1)
185. Peter Harris (1)
186. Roman Suzi (1)
187. Mike Meyer (1)
188. W Isaac Carroll (1)
189. Terence Way (1)
190. Steven Taschuk (1)
191. Kevin D. Smith (1)
192. Peter Astrand (1)
193. Samuele Pedroni (1)
194. Christian R. Reis (1)
195. Andrew McClelland (1)
196. Michael P. Dubner (1)
197. Micah Elliott (1)
198. Björn Lindqvist (1)
199. Jiwon Seo (1)
200. Ben North (1)
201. Lino Mastrodomenico (1)
202. Richard Oudkerk (1)
203. Alexandre Vassalotti (1)
204. Jervis Whitley (1)
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206. Greg Slodkowicz (1)
207. Michael Foord (1)
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209. Daniel Urban (1)
210. Benoit Bryon (1)
211. Lennart Regebro (1)
212. Todd Rovito (1)
213. Stefan Krah (1)
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