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

(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 (32)
6. Donald Stufft (21)
7. Petr Viktorin (18)
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. Ee Durbin (7)
32. David Goodger (6)
33. Ka-Ping Yee (6)
34. Jim J. Jewett (6)
35. Phillip J. Eby (6)
36. Daniel Holth (6)
37. Chris Angelico (6)
38. Inada Naoki (6)
39. Pablo Galindo (6)
40. Brandt Bucher (6)
41. Pablo Galindo Salgado (6)
42. Tzu-ping Chung (6)
43. Jelle Zijlstra (6)
44. William Woodruff (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. Gregory P. Smith (3)
85. Ewa Jodlowska (3)
86. Aahz (2)
87. Oleg Broytman (2)
88. Fred L. Drake (2)
89. Jr. (2)
90. David Ascher (2)
91. Greg Wilson (2)
92. Gordon McMillan (2)
93. Christopher A. Craig (2)
94. Clark C. Evans (2)
95. Greg Stein (2)
96. Magnus Lie Hetland (2)
97. Jack Jansen (2)
98. Vinay Sajip (2)
99. Mark Hammond (2)
100. Josiah Carlson (2)
101. Terry Reedy (2)
102. Facundo Batista (2)
103. Ben Finney (2)
104. Calvin Spealman (2)
105. Tim Delaney (2)
106. Jesse Noller (2)
107. Stephen J. Turnbull (2)
108. Dirkjan Ochtman (2)
109. Miro Hrončok (2)
110. Cameron Simpson (2)
111. Alex Gaynor (2)
112. Ronald Oussoren (2)
113. Trishank Karthik Kuppusamy (2)
114. Vladimir Diaz (2)
115. Marina Moore (2)
116. Justin Cappos (2)
117. Stefano Borini (2)
118. Stefan Behnel (2)
119. Ned Deily (2)
120. Alexander Belopolsky (2)
121. Nick Humrich (2)
122. Mark E. Haase (2)
123. Robert Collins (2)
124. Koos Zevenhoven (2)
125. Cory Benfield (2)
126. Marcel Plch (2)
127. Mario Corchero (2)
128. Geoffrey Thomas (2)
129. Maggie Moss (2)
130. Stéphane Bidoul (2)
131. Mark Mendoza (2)
132. Shannon Zhu (2)
133. Paul Ganssle (2)
134. Daniel F Moisset (2)
135. Tobias Kohn (2)
136. David Foster (2)
137. Tal Einat (2)
138. Steven Troxler (2)
139. Erik De Bonte (2)
140. Sam Gross (2)
141. Ralf Gommers (2)
142. Sergey B Kirpichev (2)
143. Facundo Tuesca (2)
144. Savannah Ostrowski (2)
145. Hugo van Kemenade (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)
201. Michael Foord (1)
202. Paul Colomiets (1)
203. Daniel Urban (1)
204. Benoit Bryon (1)
205. Lennart Regebro (1)
206. Todd Rovito (1)
207. Stefan Krah (1)
208. Holger Krekel (1)
209. Chris McDonough (1)
210. Joshua Landau (1)
211. Lukas Puehringer (1)
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