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/dotfiles
14. pypa/packaging
15. brettcannon/free-labour
16. brettcannon/travelbrag
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/microvenv
10. brettcannon/trips-history
11. brettcannon/pep425
12. brettcannon/python-azure-web-app-cookiecutter
13. brettcannon/check-for-changed-files
14. pypa/packaging.python.org
15. brettcannon/py-pip
16. brettcannon/cpython-wasi-build
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. elixir-lang/elixir-lang.github.com
26. brettcannon/riscv-harmony
27. brettcannon/flatten_filenames
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. python/core-workflow
36. microsoft/vscode-dev-containers
37. microsoft/vscode-python-devicesimulator
38. Azure-Samples/Azure-MachineLearning-DataScience
39. brettcannon/pip-secure-install
40. brettcannon/record-type
41. Azure/msrest-for-python
42. Azure/msrestazure-for-python
43. python-hyper/uritemplate
44. pypa/distutils
45. emmatyping/python-wasm
46. microsoft/TypeScript-Handbook
47. brettcannon/defy-layout-scorer
48. orsenthil/cpython-hg-to-git
49. python/buildmaster-config
50. python-hglib

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