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