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