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