1. python/cpython

1. python/peps
2. microsoft/vscode-python
3. brettcannon/python-launcher
4. brettcannon/caniusepython3
5. microsoft/vscode-jupyter
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/travelbrag
16. brettcannon/free-labour
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/microvenv
10. brettcannon/trips-history
11. brettcannon/pep425
12. brettcannon/check-for-changed-files
13. brettcannon/py-pip
14. pypa/packaging.python.org
15. brettcannon/cpython-wasi-build
16. brettcannon/python-azure-web-app-cookiecutter
17. brettcannon/stdlib-stats
18. brettcannon/mnfy
19. microsoft/vscode-docs-archive
20. dabeaz/curio
21. microsoft/vscode-docs
22. brettcannon/sans-io
23. brettcannon/modutil
24. brettcannon/time-clock
25. brettcannon/find-duplicate-files
26. elixir-lang/elixir-lang.github.com
27. brettcannon/riscv-harmony
28. brettcannon/flatten_filenames
29. uranusjr/packaging-metadata-comparisons
30. brettcannon/basicenum
31. angular/angular.js
32. pypa/setuptools
33. python-trio/trio
34. python/core-workflow
35. microsoft/vscode-dev-containers
36. dusty-phillips/rescript-zora
37. Azure-Samples/Azure-MachineLearning-DataScience
38. microsoft/vscode-python-devicesimulator
39. Azure/msrest-for-python
40. brettcannon/pip-secure-install
41. brettcannon/record-type
42. pypa/distutils
43. microsoft/TypeScript-Handbook
44. Azure/msrestazure-for-python
45. emmatyping/python-wasm
46. python-hyper/uritemplate
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. beeware/toga
4. microsoft/vscode-telemetry-extractor
5. brettcannon/choose-a-font.dev
6. dusty-phillips/match-variant
7. python/steering-council
8. JuliaLang/julia
9. brettcannon/importlib
10. microsoft/vscode-anaconda-extension-pack
11. aosabook/500lines
12. brettcannon/nowhere-on-the-web
13. python/blurb
14. rescript-lang/rescript-lang.org
15. eclipse-archived/ceylon-lang.org
16. lustre-labs/lustre
17. Azure/azure-sdk-for-python
18. brettcannon/porting-to-python-3-notebook
19. python/cherry-picker
20. micktwomey/pyiso8601
21. python/typeshed
22. openlawlibrary/pygls
23. python/cpython-devcontainers
24. python/planet
25. rust-lang/rust
26. microsoft/vscode
27. WebAssembly/design
28. Homebrew/legacy-homebrew
29. github/gitignore
30. cookiecutter/cookiecutter
31. Homebrew/homebrew-core
32. pypa/pipenv
33. brettcannon/vscode-zephyr-asdl
34. square/dagger
35. jazzband/pip-tools
36. python/psf-salt
37. brettcannon/cpython-wasi-buildbot
38. micropython/micropython
39. vstinner/misc
40. badges/shields
41. dotnet/docs
42. microsoft/vscode-wiki
43. inko-lang/inko
44. Mariatta/github-bot-tutorial
45. thechangelog/show-notes
46. kushaldas/pym
47. microsoft/vscode-python-templates
48. progit/progit2
49. ponylang/pony-tutorial
50. buildout/buildout
51. MicrosoftDocs/visualstudio-docs
52. moby/mobywebsite
53. pypa/flit
54. huggingface/agents-course
55. asyncio-docs/asyncio-doc
56. microsoftarchive/msgraph-sdk-python
57. aio-libs/aiohttp
58. gleam-lang/otp
59. python/pythonineducation.org
60. python/pyperformance
61. conda/conda
62. vibora-io/vibora
63. bytecodealliance/wasmtime
64. microsoft/vscode-docker
65. matplotlib/matplotlib
66. microsoft/TypeScript-wiki
67. pyscript/pyscript
68. beeware/liquid-demo
69. gleam-lang/language-tour
70. microsoft/language-server-protocol
71. python/typing
72. conda/ceps
73. jaraco/skeleton
74. MPOS/php-mpos
75. rustwasm/book
76. microsoft/sql-server-samples
77. astral-sh/ruff
78. dabeaz/ply
79. beeware/beeware.github.io
80. bloodyowl/rescript-test
81. python/core-sprint
82. WebAssembly/wasi-sdk
83. python-hyper/h2
84. microsoft/vscode-isort
85. sarugaku/resolvelib
86. kushaldas/pep582
87. python/python-docs-theme
88. MeeseeksBox/meeseeksbox.github.io
89. larryhastings/appeal
90. fastapi/sqlmodel
91. wntrblm/nox
92. riverscuomo/apps
93. Django
94. VSCodeVim/Vim
95. MicrosoftDocs/azure-docs
96. victor-o-silva/python-links-from-link-header
97. MagicStack/MagicPython
98. pyvideo/old-pyvideo
99. reubeno/brush
100. jupyter-book/mystmd.org
101. nayafia/nayafia
102. riverscuomo/new-albums
103. python/importlib_metadata
104. syl20bnr/spacemacs
105. pypa/build
106. okken/pytest-srcpaths
107. hynek/build-and-inspect-python-package
108. pypa/setuptools-scm
109. starship/starship
110. Azure/azure-cli
111. Azure/azure-cosmos-python
112. microsoftgraph/microsoft-graph-docs-contrib
113. conda/conda-docs
114. brettcannon/exercism-solutions
115. psf/fundable-packaging-improvements
116. Homebrew/brew
117. pdm-project/pdm
118. topazproject/topaz
119. lpil/sqlight
120. bitbldr/sprocket_docs
121. cometkim/rescript-vitest
122. ericpalakovichcarr/pytest-pythonpath
123. WebAssembly/component-model
124. dotnet/aspire
125. conda/conda-build
126. gleam-lang/gleam
127. Enderchief/gleam-tools
128. ebkalderon/tower-lsp
129. google/yapf
130. golang/go
131. astral-sh/uv
132. palantir/python-language-server
133. lorenzofox3/zora
134. 11ty/11ty-website
135. oauthlib/oauthlib
136. brettcannon/character-frequency
137. jupyter/notebook
138. microsoft/python-sample-vscode-django-tutorial
139. google/grumpy
140. stellar/awesome-stellar
141. luabud/hello-vscodespaces
142. twisted/klein
143. microsoft/az-partner-center-cli
144. score-spec/spec
145. ansible/ansible
146. rocketreach/rocketreach_python
147. chhantyal/py3readiness
148. Quansight-Labs/free-threaded-compatibility
149. briandealwis/ferret
150. pytest-dev/pytest
151. devcontainers/images
152. bungcip/better-toml
153. PyCQA/pyflakes
154. jupyterlab/jupyterlab
155. clearlydefined/website
156. dusty-phillips/macabre
157. casey/just
158. riscv-software-src/riscv-tests
159. mozilla-services/konfig
160. devcontainers/features
161. jupyter/jupyter.github.io
162. psf/webassembly
163. stellar/new-docs
164. Fyrd/caniuse
165. kushaldas/asaman
166. Devid-Ba/Text-adventure
167. diogonfs/pyinit
168. python/mypy
169. python-poetry/tomlkit
170. rust-lang/log
171. microsoft/debugpy
172. zwaldowski/match-label-action
173. pycascades/welcome-wagon-2018
174. actions-rs/install
175. beeware/podium
176. adafruit/Adafruit_CircuitPython_CircuitPlayground
177. pablogsal/cpython_leaderboard
178. lustre-labs/ui
179. psf/black
180. Azure/azure-functions-python-library
181. absurdia/absurdia-py
182. gleam-lang/erlang
183. scikit-learn/scikit-learn
184. extism/extism
185. getsentry/responses
186. vega/ipyvega
187. pyca/pyopenssl
188. markshannon/faster-cpython
189. rust-lang/rustfmt
190. pypa/trove-classifiers
191. microsoft/vscode-tools-for-ai
192. microsoftgraph/python-sample-pagination
193. bagder/http2-explained
194. sphinx-doc/sphinx
195. spotify/pedalboard
196. gitkraken/vscode-gitlens
197. cardoe/stderrlog-rs
198. python/pythontestdotnet
199. stellar-deprecated/docs
200. beeware/briefcase
201. microsoft/vscode-pylint
202. pypi/warehouse
203. regebro/supporting-python-3
204. vscode-restructuredtext/vscode-restructuredtext
205. facebook/pyre-check
206. aurelia/documentation
207. microsoft/vscode-extension-samples
208. modelcontextprotocol/rust-sdk
209. saschpe/mozilla-plugins
210. microsoft/PTVS
211. w3c/ServiceWorker
212. mesonbuild/meson
213. livebook-dev/livebook
214. gleam-lang/website
215. pypa/pipx
216. GraphQLGuide/book
217. pyvideo/data
218. realpython/python-guide
219. Lukasa/language-restructuredtext
220. PyPy
221. defusedexpat
222. expat
223. Mercurial
224. vim
225. smol

(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. 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. Ee Durbin (8)
27. Jeremy Hylton (7)
28. Thomas Wouters (7)
29. Moshe Zadka (7)
30. Benjamin Peterson (7)
31. Dustin Ingram (7)
32. Pablo Galindo (7)
33. Jelle Zijlstra (7)
34. William Woodruff (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. 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. Sergey B Kirpichev (3)
85. Gregory P. Smith (3)
86. Facundo Tuesca (3)
87. Hugo van Kemenade (3)
88. Ewa Jodlowska (3)
89. Aahz (2)
90. Oleg Broytman (2)
91. Fred L. Drake (2)
92. 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. Cory Benfield (2)
129. Marcel Plch (2)
130. Mario Corchero (2)
131. Geoffrey Thomas (2)
132. Maggie Moss (2)
133. Stéphane Bidoul (2)
134. Mark Mendoza (2)
135. Shannon Zhu (2)
136. Paul Ganssle (2)
137. Daniel F Moisset (2)
138. Tobias Kohn (2)
139. David Foster (2)
140. Tal Einat (2)
141. Adam Turner (2)
142. Steven Troxler (2)
143. Stan Ulbrych (2)
144. Erik De Bonte (2)
145. Sam Gross (2)
146. Ralf Gommers (2)
147. Savannah Ostrowski (2)
148. Hood Chatham (2)
149. Daniel Stutzbach (2)
150. Joe Carey (2)
151. Martijn Faassen (1)
152. The Python core team and community (1)
153. Paul Barrett (1)
154. Peter Schneider-Kamp (1)
155. Huaiyu Zhu (1)
156. Gregory Lielens (1)
157. Paul F. Dubois (1)
158. Sean Reifschneider (1)
159. Grant Griffin (1)
160. Jonathan Riehl (1)
161. Jason Petrone (1)
162. Frédéric B. Giacometti (1)
163. James C. Ahlstrom (1)
164. Jim Althoff (1)
165. Neil Hodgson (1)
166. Trent Mick (1)
167. David Eppstein (1)
168. Walter Dörwald (1)
169. Oren Tirosh (1)
170. Stepan Koltsov (1)
171. Scott Gilbert (1)
172. Thomas Heller (1)
173. Jeff Epler (1)
174. Just van Rossum (1)
175. Thomas Bellman (1)
176. Kevin Altis (1)
177. Dave Cole (1)
178. Andrew McNamara (1)
179. Cliff Wells (1)
180. Jack Diederich (1)
181. Peter Harris (1)
182. Roman Suzi (1)
183. Mike Meyer (1)
184. W Isaac Carroll (1)
185. Terence Way (1)
186. Steven Taschuk (1)
187. Kevin D. Smith (1)
188. Peter Astrand (1)
189. Samuele Pedroni (1)
190. Christian R. Reis (1)
191. Andrew McClelland (1)
192. Michael P. Dubner (1)
193. Micah Elliott (1)
194. Björn Lindqvist (1)
195. Jiwon Seo (1)
196. Ben North (1)
197. Lino Mastrodomenico (1)
198. Richard Oudkerk (1)
199. Alexandre Vassalotti (1)
200. Jervis Whitley (1)
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202. Greg Slodkowicz (1)
203. Michael Foord (1)
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205. Daniel Urban (1)
206. Benoit Bryon (1)
207. Lennart Regebro (1)
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