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/free-labour
14. brettcannon/travelbrag
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. brettcannon/WWBD
8. python/devinabox
9. brettcannon/trips-history
10. brettcannon/pep425
11. brettcannon/microvenv
12. brettcannon/check-for-changed-files
13. brettcannon/py-pip
14. brettcannon/python-azure-web-app-cookiecutter
15. brettcannon/stdlib-stats
16. brettcannon/cpython-wasi-build
17. brettcannon/mnfy
18. microsoft/vscode-docs-archive
19. dabeaz/curio
20. microsoft/vscode-docs
21. brettcannon/sans-io
22. pypa/packaging.python.org
23. brettcannon/modutil
24. brettcannon/time-clock
25. brettcannon/riscv-harmony
26. brettcannon/find-duplicate-files
27. brettcannon/flatten_filenames
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. python/core-workflow
35. dusty-phillips/rescript-zora
36. microsoft/vscode-dev-containers
37. microsoft/vscode-python-devicesimulator
38. Azure-Samples/Azure-MachineLearning-DataScience
39. Azure/msrest-for-python
40. brettcannon/record-type
41. brettcannon/pip-secure-install
42. microsoft/TypeScript-Handbook
43. emmatyping/python-wasm
44. pypa/distutils
45. Azure/msrestazure-for-python
46. python-hyper/uritemplate
47. brettcannon/defy-layout-scorer
48. orsenthil/cpython-hg-to-git
49. python/buildmaster-config
50. python-hglib

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

(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 (32)
6. Donald Stufft (21)
7. Petr Viktorin (18)
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. Jeremy Hylton (7)
27. Thomas Wouters (7)
28. Moshe Zadka (7)
29. Benjamin Peterson (7)
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)
36. Daniel Holth (6)
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)
43. Jelle Zijlstra (6)
44. William Woodruff (6)
45. Collin Winter (6)
46. Anthony Baxter (5)
47. Neil Schemenauer (5)
48. Skip Montanaro (5)
49. Ethan Furman (5)
50. Talin (5)
51. Eric Traut (5)
52. Irit Katriel (5)
53. Paul Prescod (4)
54. Gregory Ewing (4)
55. Richard Jones (4)
56. Tarek Ziadé (4)
57. Carl Meyer (4)
58. Jukka Lehtosalo (4)
59. Thomas Kluyver (4)
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. Gregory P. Smith (3)
85. Ewa Jodlowska (3)
86. Aahz (2)
87. Oleg Broytman (2)
88. Fred L. Drake (2)
89. Jr. (2)
90. David Ascher (2)
91. Greg Wilson (2)
92. Gordon McMillan (2)
93. Christopher A. Craig (2)
94. Clark C. Evans (2)
95. Greg Stein (2)
96. Magnus Lie Hetland (2)
97. Jack Jansen (2)
98. Vinay Sajip (2)
99. Mark Hammond (2)
100. Josiah Carlson (2)
101. Terry Reedy (2)
102. Facundo Batista (2)
103. Ben Finney (2)
104. Calvin Spealman (2)
105. Tim Delaney (2)
106. Jesse Noller (2)
107. Stephen J. Turnbull (2)
108. Dirkjan Ochtman (2)
109. Miro Hrončok (2)
110. Cameron Simpson (2)
111. Alex Gaynor (2)
112. Ronald Oussoren (2)
113. Trishank Karthik Kuppusamy (2)
114. Vladimir Diaz (2)
115. Marina Moore (2)
116. Justin Cappos (2)
117. Stefano Borini (2)
118. Stefan Behnel (2)
119. Ned Deily (2)
120. Alexander Belopolsky (2)
121. Nick Humrich (2)
122. Mark E. Haase (2)
123. Robert Collins (2)
124. Koos Zevenhoven (2)
125. Cory Benfield (2)
126. Marcel Plch (2)
127. Mario Corchero (2)
128. Geoffrey Thomas (2)
129. Maggie Moss (2)
130. Stéphane Bidoul (2)
131. Mark Mendoza (2)
132. Shannon Zhu (2)
133. Paul Ganssle (2)
134. Daniel F Moisset (2)
135. Tobias Kohn (2)
136. David Foster (2)
137. Tal Einat (2)
138. Steven Troxler (2)
139. Erik De Bonte (2)
140. Sam Gross (2)
141. Ralf Gommers (2)
142. Sergey B Kirpichev (2)
143. Facundo Tuesca (2)
144. Savannah Ostrowski (2)
145. Hugo van Kemenade (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)
194. Ben North (1)
195. Lino Mastrodomenico (1)
196. Richard Oudkerk (1)
197. Alexandre Vassalotti (1)
198. Jervis Whitley (1)
199. Kerrick Staley (1)
200. Greg Slodkowicz (1)
201. Michael Foord (1)
202. Paul Colomiets (1)
203. Daniel Urban (1)
204. Benoit Bryon (1)
205. Lennart Regebro (1)
206. Todd Rovito (1)
207. Stefan Krah (1)
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210. Joshua Landau (1)
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274. Germán Méndez Bravo (1)
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