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. brettcannon/dotfiles
14. pypa/packaging
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. pypa/packaging.python.org
14. brettcannon/py-pip
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/riscv-harmony
26. brettcannon/flatten_filenames
27. elixir-lang/elixir-lang.github.com
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. dusty-phillips/rescript-zora
35. microsoft/vscode-dev-containers
36. python/core-workflow
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. microsoft/TypeScript-Handbook
44. python-hyper/uritemplate
45. Azure/msrestazure-for-python
46. emmatyping/python-wasm
47. python/buildmaster-config
48. brettcannon/defy-layout-scorer
49. orsenthil/cpython-hg-to-git
50. python-hglib

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