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. brettcannon/riscv-harmony
26. brettcannon/flatten_filenames
27. elixir-lang/elixir-lang.github.com
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. python/core-workflow
36. dusty-phillips/rescript-zora
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. emmatyping/python-wasm
43. pypa/distutils
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. python3statement/python3statement.github.io
2. benjaminp/six
3. dusty-phillips/match-variant
4. brettcannon/choose-a-font.dev
5. brettcannon/importlib
6. JuliaLang/julia
7. python/steering-council
8. python/blurb
9. python/typeshed
10. microsoft/vscode-telemetry-extractor
11. microsoft/vscode-anaconda-extension-pack
12. brettcannon/nowhere-on-the-web
13. rescript-lang/rescript-lang.org
14. lustre-labs/lustre
15. beeware/toga
16. eclipse-archived/ceylon-lang.org
17. Azure/azure-sdk-for-python
18. brettcannon/porting-to-python-3-notebook
19. python/cherry-picker
20. microsoft/vscode
21. rust-lang/rust
22. micktwomey/pyiso8601
23. python/planet
24. openlawlibrary/pygls
25. cookiecutter/cookiecutter
26. square/dagger
27. WebAssembly/design
28. Homebrew/homebrew-core
29. Homebrew/legacy-homebrew
30. github/gitignore
31. brettcannon/vscode-zephyr-asdl
32. pypa/pipenv
33. aosabook/500lines
34. badges/shields
35. microsoft/vscode-wiki
36. vstinner/misc
37. Mariatta/github-bot-tutorial
38. dotnet/docs
39. brettcannon/cpython-wasi-buildbot
40. thechangelog/show-notes
41. jazzband/pip-tools
42. python/cpython-devcontainers
43. python/psf-salt
44. micropython/micropython
45. inko-lang/inko
46. microsoft/language-server-protocol
47. rustwasm/book
48. MicrosoftDocs/visualstudio-docs
49. microsoft/TypeScript-wiki
50. python/typing
51. jaraco/skeleton
52. bytecodealliance/wasmtime
53. conda/ceps
54. python/python-docs-theme
55. progit/progit2
56. ponylang/pony-tutorial
57. buildout/buildout
58. astral-sh/ruff
59. larryhastings/appeal
60. MeeseeksBox/meeseeksbox.github.io
61. python/core-sprint
62. moby/mobywebsite
63. microsoft/sql-server-samples
64. fastapi/sqlmodel
65. gleam-lang/language-tour
66. microsoft/vscode-docker
67. MPOS/php-mpos
68. microsoft/vscode-python-templates
69. asyncio-docs/asyncio-doc
70. python-hyper/h2
71. python/pyperformance
72. microsoft/vscode-isort
73. conda/conda
74. beeware/beeware.github.io
75. microsoftarchive/msgraph-sdk-python
76. pyscript/pyscript
77. python/pythonineducation.org
78. kushaldas/pep582
79. WebAssembly/wasi-sdk
80. beeware/liquid-demo
81. sarugaku/resolvelib
82. regebro/supporting-python-3
83. huggingface/agents-course
84. gleam-lang/otp
85. bloodyowl/rescript-test
86. vibora-io/vibora
87. kushaldas/pym
88. pypa/flit
89. riverscuomo/apps
90. wntrblm/nox
91. aio-libs/aiohttp
92. matplotlib/matplotlib
93. dabeaz/ply
94. Django
95. pyvideo/data
96. victor-o-silva/python-links-from-link-header
97. reubeno/brush
98. rocketreach/rocketreach_python
99. astral-sh/uv
100. microsoftgraph/python-sample-pagination
101. rust-lang/rustfmt
102. pablogsal/cpython_leaderboard
103. 11ty/11ty-website
104. google/grumpy
105. pyvideo/old-pyvideo
106. pypi/warehouse
107. bitbldr/sprocket_docs
108. PyCQA/pyflakes
109. microsoft/debugpy
110. casey/just
111. Devid-Ba/Text-adventure
112. gitkraken/vscode-gitlens
113. beeware/podium
114. vega/ipyvega
115. Azure/azure-functions-python-library
116. clearlydefined/website
117. MagicStack/MagicPython
118. Fyrd/caniuse
119. pyca/pyopenssl
120. realpython/python-guide
121. syl20bnr/spacemacs
122. microsoft/python-sample-vscode-django-tutorial
123. scikit-learn/scikit-learn
124. psf/black
125. nayafia/nayafia
126. devcontainers/features
127. Azure/azure-cosmos-python
128. Quansight-Labs/free-threaded-compatibility
129. cardoe/stderrlog-rs
130. ebkalderon/tower-lsp
131. pycascades/welcome-wagon-2018
132. dusty-phillips/macabre
133. conda/conda-build
134. python/pythontestdotnet
135. microsoft/PTVS
136. jupyter-book/mystmd.org
137. getsentry/responses
138. python-poetry/tomlkit
139. microsoft/az-partner-center-cli
140. topazproject/topaz
141. chhantyal/py3readiness
142. google/yapf
143. jupyter/jupyter.github.io
144. okken/pytest-srcpaths
145. jupyterlab/jupyterlab
146. python/mypy
147. brettcannon/character-frequency
148. bagder/http2-explained
149. pypa/pipx
150. kushaldas/asaman
151. score-spec/spec
152. golang/go
153. Homebrew/brew
154. microsoft/vscode-extension-samples
155. saschpe/mozilla-plugins
156. WebAssembly/component-model
157. riverscuomo/new-albums
158. mozilla-services/konfig
159. conda/conda-docs
160. absurdia/absurdia-py
161. VSCodeVim/Vim
162. spotify/pedalboard
163. microsoft/vscode-tools-for-ai
164. briandealwis/ferret
165. vscode-restructuredtext/vscode-restructuredtext
166. microsoft/vscode-pylint
167. lustre-labs/ui
168. oauthlib/oauthlib
169. stellar/awesome-stellar
170. pdm-project/pdm
171. adafruit/Adafruit_CircuitPython_CircuitPlayground
172. ansible/ansible
173. Enderchief/gleam-tools
174. riscv-software-src/riscv-tests
175. sphinx-doc/sphinx
176. bungcip/better-toml
177. GraphQLGuide/book
178. lorenzofox3/zora
179. lpil/sqlight
180. livebook-dev/livebook
181. psf/fundable-packaging-improvements
182. pypa/build
183. pypa/setuptools-scm
184. twisted/klein
185. ericpalakovichcarr/pytest-pythonpath
186. cometkim/rescript-vitest
187. Azure/azure-cli
188. MicrosoftDocs/azure-docs
189. Lukasa/language-restructuredtext
190. gleam-lang/erlang
191. zwaldowski/match-label-action
192. actions-rs/install
193. gleam-lang/website
194. aurelia/documentation
195. jupyter/notebook
196. devcontainers/images
197. stellar-deprecated/docs
198. pytest-dev/pytest
199. extism/extism
200. w3c/ServiceWorker
201. stellar/new-docs
202. python/importlib_metadata
203. mesonbuild/meson
204. starship/starship
205. microsoftgraph/microsoft-graph-docs-contrib
206. beeware/briefcase
207. palantir/python-language-server
208. gleam-lang/gleam
209. luabud/hello-vscodespaces
210. psf/webassembly
211. diogonfs/pyinit
212. hynek/build-and-inspect-python-package
213. pypa/trove-classifiers
214. markshannon/faster-cpython
215. rust-lang/log
216. facebook/pyre-check
217. PyPy
218. defusedexpat
219. expat
220. Mercurial
221. vim
222. 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)
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