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