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. 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/stdlib-stats
15. brettcannon/python-azure-web-app-cookiecutter
16. brettcannon/cpython-wasi-build
17. brettcannon/mnfy
18. microsoft/vscode-docs-archive
19. dabeaz/curio
20. brettcannon/sans-io
21. microsoft/vscode-docs
22. pypa/packaging.python.org
23. brettcannon/modutil
24. brettcannon/time-clock
25. elixir-lang/elixir-lang.github.com
26. brettcannon/find-duplicate-files
27. brettcannon/flatten_filenames
28. brettcannon/riscv-harmony
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. microsoft/TypeScript-Handbook
43. Azure/msrestazure-for-python
44. python-hyper/uritemplate
45. pypa/distutils
46. emmatyping/python-wasm
47. brettcannon/defy-layout-scorer
48. python/buildmaster-config
49. orsenthil/cpython-hg-to-git
50. python-hglib

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