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. 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/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. brettcannon/modutil
23. pypa/packaging.python.org
24. brettcannon/time-clock
25. brettcannon/riscv-harmony
26. elixir-lang/elixir-lang.github.com
27. brettcannon/flatten_filenames
28. brettcannon/find-duplicate-files
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. microsoft/vscode-python-devicesimulator
38. Azure-Samples/Azure-MachineLearning-DataScience
39. brettcannon/pip-secure-install
40. Azure/msrest-for-python
41. brettcannon/record-type
42. emmatyping/python-wasm
43. Azure/msrestazure-for-python
44. pypa/distutils
45. python-hyper/uritemplate
46. microsoft/TypeScript-Handbook
47. brettcannon/defy-layout-scorer
48. orsenthil/cpython-hg-to-git
49. python/buildmaster-config
50. python-hglib

1. python3statement/python3statement.github.io
2. benjaminp/six
3. JuliaLang/julia
4. brettcannon/choose-a-font.dev
5. python/steering-council
6. brettcannon/importlib
7. dusty-phillips/match-variant
8. microsoft/vscode-telemetry-extractor
9. python/blurb
10. rescript-lang/rescript-lang.org
11. brettcannon/nowhere-on-the-web
12. eclipse-archived/ceylon-lang.org
13. lustre-labs/lustre
14. microsoft/vscode-anaconda-extension-pack
15. Azure/azure-sdk-for-python
16. python/cherry-picker
17. beeware/toga
18. brettcannon/porting-to-python-3-notebook
19. micktwomey/pyiso8601
20. rust-lang/rust
21. python/planet
22. microsoft/vscode
23. python/typeshed
24. brettcannon/vscode-zephyr-asdl
25. cookiecutter/cookiecutter
26. Homebrew/legacy-homebrew
27. openlawlibrary/pygls
28. Homebrew/homebrew-core
29. aosabook/500lines
30. WebAssembly/design
31. square/dagger
32. github/gitignore
33. pypa/pipenv
34. python/psf-salt
35. Mariatta/github-bot-tutorial
36. thechangelog/show-notes
37. vstinner/misc
38. jazzband/pip-tools
39. badges/shields
40. brettcannon/cpython-wasi-buildbot
41. micropython/micropython
42. microsoft/vscode-wiki
43. dotnet/docs
44. inko-lang/inko
45. microsoft/vscode-docker
46. aio-libs/aiohttp
47. python/core-sprint
48. conda/conda
49. ponylang/pony-tutorial
50. MeeseeksBox/meeseeksbox.github.io
51. bloodyowl/rescript-test
52. python/python-docs-theme
53. python-hyper/h2
54. kushaldas/pep582
55. asyncio-docs/asyncio-doc
56. conda/ceps
57. microsoft/language-server-protocol
58. microsoft/vscode-isort
59. riverscuomo/apps
60. MPOS/php-mpos
61. kushaldas/pym
62. python/typing
63. pypa/flit
64. bytecodealliance/wasmtime
65. moby/mobywebsite
66. matplotlib/matplotlib
67. gleam-lang/language-tour
68. larryhastings/appeal
69. python/pythonineducation.org
70. pyscript/pyscript
71. WebAssembly/wasi-sdk
72. MicrosoftDocs/visualstudio-docs
73. beeware/liquid-demo
74. progit/progit2
75. jaraco/skeleton
76. buildout/buildout
77. microsoftarchive/msgraph-sdk-python
78. microsoft/vscode-python-templates
79. vibora-io/vibora
80. astral-sh/ruff
81. python/pyperformance
82. sarugaku/resolvelib
83. rustwasm/book
84. microsoft/sql-server-samples
85. dabeaz/ply
86. microsoft/TypeScript-wiki
87. Django
88. syl20bnr/spacemacs
89. lustre-labs/ui
90. jupyterlab/jupyterlab
91. bungcip/better-toml
92. brettcannon/character-frequency
93. pytest-dev/pytest
94. rust-lang/rustfmt
95. python/pythontestdotnet
96. pycascades/welcome-wagon-2018
97. Fyrd/caniuse
98. Quansight-Labs/free-threaded-compatibility
99. okken/pytest-srcpaths
100. hynek/build-and-inspect-python-package
101. score-spec/spec
102. PyCQA/pyflakes
103. victor-o-silva/python-links-from-link-header
104. huggingface/agents-course
105. stellar-deprecated/docs
106. stellar/new-docs
107. zwaldowski/match-label-action
108. psf/webassembly
109. actions-rs/install
110. mesonbuild/meson
111. microsoft/debugpy
112. devcontainers/images
113. pypa/setuptools-scm
114. mozilla-services/konfig
115. microsoft/az-partner-center-cli
116. cometkim/rescript-vitest
117. riscv-software-src/riscv-tests
118. Enderchief/gleam-tools
119. Azure/azure-functions-python-library
120. microsoft/PTVS
121. pyca/pyopenssl
122. pypa/build
123. Homebrew/brew
124. clearlydefined/website
125. gitkraken/vscode-gitlens
126. starship/starship
127. pypa/pipx
128. oauthlib/oauthlib
129. getsentry/responses
130. nayafia/nayafia
131. adafruit/Adafruit_CircuitPython_CircuitPlayground
132. ansible/ansible
133. jupyter/notebook
134. 11ty/11ty-website
135. extism/extism
136. riverscuomo/new-albums
137. conda/conda-build
138. wntrblm/nox
139. microsoftgraph/microsoft-graph-docs-contrib
140. golang/go
141. vega/ipyvega
142. Azure/azure-cosmos-python
143. python-poetry/tomlkit
144. microsoftgraph/python-sample-pagination
145. spotify/pedalboard
146. chhantyal/py3readiness
147. aurelia/documentation
148. conda/conda-docs
149. gleam-lang/gleam
150. absurdia/absurdia-py
151. kushaldas/asaman
152. ericpalakovichcarr/pytest-pythonpath
153. facebook/pyre-check
154. palantir/python-language-server
155. ebkalderon/tower-lsp
156. cardoe/stderrlog-rs
157. sphinx-doc/sphinx
158. GraphQLGuide/book
159. livebook-dev/livebook
160. bitbldr/sprocket_docs
161. python/mypy
162. gleam-lang/website
163. topazproject/topaz
164. rocketreach/rocketreach_python
165. Azure/azure-cli
166. psf/black
167. pypa/trove-classifiers
168. diogonfs/pyinit
169. rust-lang/log
170. microsoft/vscode-tools-for-ai
171. lorenzofox3/zora
172. casey/just
173. jupyter-book/mystmd.org
174. google/grumpy
175. realpython/python-guide
176. pdm-project/pdm
177. python/importlib_metadata
178. Devid-Ba/Text-adventure
179. stellar/awesome-stellar
180. pablogsal/cpython_leaderboard
181. scikit-learn/scikit-learn
182. microsoft/vscode-pylint
183. vscode-restructuredtext/vscode-restructuredtext
184. pyvideo/old-pyvideo
185. pyvideo/data
186. MicrosoftDocs/azure-docs
187. saschpe/mozilla-plugins
188. markshannon/faster-cpython
189. gleam-lang/otp
190. VSCodeVim/Vim
191. MagicStack/MagicPython
192. google/yapf
193. jupyter/jupyter.github.io
194. WebAssembly/component-model
195. w3c/ServiceWorker
196. twisted/klein
197. astral-sh/uv
198. microsoft/vscode-extension-samples
199. dusty-phillips/macabre
200. Lukasa/language-restructuredtext
201. pypi/warehouse
202. regebro/supporting-python-3
203. luabud/hello-vscodespaces
204. briandealwis/ferret
205. psf/fundable-packaging-improvements
206. microsoft/python-sample-vscode-django-tutorial
207. bagder/http2-explained
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 (52)
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. Shantanu Jain (3)
83. Gregory P. Smith (3)
84. Ewa Jodlowska (3)
85. Aahz (2)
86. Oleg Broytman (2)
87. Fred L. Drake (2)
88. Jr. (2)
89. David Ascher (2)
90. Greg Wilson (2)
91. Gordon McMillan (2)
92. Christopher A. Craig (2)
93. Clark C. Evans (2)
94. Greg Stein (2)
95. Magnus Lie Hetland (2)
96. Jack Jansen (2)
97. Vinay Sajip (2)
98. Mark Hammond (2)
99. Josiah Carlson (2)
100. Terry Reedy (2)
101. Facundo Batista (2)
102. Ben Finney (2)
103. Calvin Spealman (2)
104. Tim Delaney (2)
105. Jesse Noller (2)
106. Stephen J. Turnbull (2)
107. Dirkjan Ochtman (2)
108. Miro Hrončok (2)
109. Cameron Simpson (2)
110. Alex Gaynor (2)
111. Ronald Oussoren (2)
112. Trishank Karthik Kuppusamy (2)
113. Vladimir Diaz (2)
114. Marina Moore (2)
115. Justin Cappos (2)
116. Stefano Borini (2)
117. Stefan Behnel (2)
118. Ned Deily (2)
119. Alexander Belopolsky (2)
120. Mark E. Haase (2)
121. Robert Collins (2)
122. Koos Zevenhoven (2)
123. Cory Benfield (2)
124. Marcel Plch (2)
125. Mario Corchero (2)
126. Geoffrey Thomas (2)
127. Maggie Moss (2)
128. Stéphane Bidoul (2)
129. Mark Mendoza (2)
130. Shannon Zhu (2)
131. Paul Ganssle (2)
132. Daniel F Moisset (2)
133. Tobias Kohn (2)
134. David Foster (2)
135. Tal Einat (2)
136. Steven Troxler (2)
137. Zac Hatfield-Dodds (2)
138. Erik De Bonte (2)
139. Sam Gross (2)
140. Ralf Gommers (2)
141. Sergey B Kirpichev (2)
142. Facundo Tuesca (2)
143. Savannah Ostrowski (2)
144. Hugo van Kemenade (2)
145. Hood Chatham (2)
146. Daniel Stutzbach (2)
147. Joe Carey (2)
148. Martijn Faassen (1)
149. The Python core team and community (1)
150. Paul Barrett (1)
151. Peter Schneider-Kamp (1)
152. Huaiyu Zhu (1)
153. Gregory Lielens (1)
154. Paul F. Dubois (1)
155. Sean Reifschneider (1)
156. Grant Griffin (1)
157. Jonathan Riehl (1)
158. Jason Petrone (1)
159. Frédéric B. Giacometti (1)
160. James C. Ahlstrom (1)
161. Jim Althoff (1)
162. Neil Hodgson (1)
163. Trent Mick (1)
164. David Eppstein (1)
165. Walter Dörwald (1)
166. Oren Tirosh (1)
167. Stepan Koltsov (1)
168. Scott Gilbert (1)
169. Thomas Heller (1)
170. Jeff Epler (1)
171. Just van Rossum (1)
172. Thomas Bellman (1)
173. Kevin Altis (1)
174. Dave Cole (1)
175. Andrew McNamara (1)
176. Cliff Wells (1)
177. Jack Diederich (1)
178. Peter Harris (1)
179. Roman Suzi (1)
180. Mike Meyer (1)
181. W Isaac Carroll (1)
182. Terence Way (1)
183. Steven Taschuk (1)
184. Kevin D. Smith (1)
185. Peter Astrand (1)
186. Samuele Pedroni (1)
187. Christian R. Reis (1)
188. Andrew McClelland (1)
189. Michael P. Dubner (1)
190. Micah Elliott (1)
191. Björn Lindqvist (1)
192. Jiwon Seo (1)
193. Ben North (1)
194. Lino Mastrodomenico (1)
195. Richard Oudkerk (1)
196. Alexandre Vassalotti (1)
197. Jervis Whitley (1)
198. Kerrick Staley (1)
199. Greg Slodkowicz (1)
200. Michael Foord (1)
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203. Benoit Bryon (1)
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