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