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