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/dotfiles
14. brettcannon/free-labour
15. brettcannon/travelbrag
16. pypa/packaging
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/microvenv
11. brettcannon/py-pip
12. brettcannon/pep425
13. brettcannon/check-for-changed-files
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/flatten_filenames
26. brettcannon/find-duplicate-files
27. elixir-lang/elixir-lang.github.com
28. brettcannon/riscv-harmony
29. brettcannon/basicenum
30. uranusjr/packaging-metadata-comparisons
31. angular/angular.js
32. pypa/setuptools
33. python-trio/trio
34. python/core-workflow
35. dusty-phillips/rescript-zora
36. microsoft/vscode-dev-containers
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. microsoft/TypeScript-Handbook
43. Azure/msrestazure-for-python
44. pypa/distutils
45. emmatyping/python-wasm
46. python-hyper/uritemplate
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. brettcannon/choose-a-font.dev
4. dusty-phillips/match-variant
5. brettcannon/importlib
6. python/steering-council
7. JuliaLang/julia
8. eclipse-archived/ceylon-lang.org
9. microsoft/vscode-telemetry-extractor
10. rescript-lang/rescript-lang.org
11. lustre-labs/lustre
12. brettcannon/nowhere-on-the-web
13. beeware/toga
14. python/blurb
15. microsoft/vscode-anaconda-extension-pack
16. brettcannon/porting-to-python-3-notebook
17. Azure/azure-sdk-for-python
18. python/cherry-picker
19. micktwomey/pyiso8601
20. python/typeshed
21. python/planet
22. openlawlibrary/pygls
23. rust-lang/rust
24. microsoft/vscode
25. cookiecutter/cookiecutter
26. Homebrew/legacy-homebrew
27. pypa/pipenv
28. github/gitignore
29. aosabook/500lines
30. jazzband/pip-tools
31. WebAssembly/design
32. brettcannon/vscode-zephyr-asdl
33. Homebrew/homebrew-core
34. square/dagger
35. Mariatta/github-bot-tutorial
36. microsoft/vscode-wiki
37. python/psf-salt
38. dotnet/docs
39. python/cpython-devcontainers
40. inko-lang/inko
41. thechangelog/show-notes
42. brettcannon/cpython-wasi-buildbot
43. vstinner/misc
44. micropython/micropython
45. badges/shields
46. microsoft/vscode-python-templates
47. rustwasm/book
48. vibora-io/vibora
49. progit/progit2
50. beeware/beeware.github.io
51. fastapi/sqlmodel
52. microsoft/sql-server-samples
53. larryhastings/appeal
54. beeware/liquid-demo
55. pyscript/pyscript
56. python/python-docs-theme
57. MeeseeksBox/meeseeksbox.github.io
58. bytecodealliance/wasmtime
59. python/core-sprint
60. dabeaz/ply
61. kushaldas/pep582
62. sarugaku/resolvelib
63. python/pyperformance
64. microsoft/vscode-docker
65. gleam-lang/language-tour
66. MicrosoftDocs/visualstudio-docs
67. WebAssembly/wasi-sdk
68. moby/mobywebsite
69. jaraco/skeleton
70. python/typing
71. python/pythonineducation.org
72. microsoft/vscode-isort
73. bloodyowl/rescript-test
74. matplotlib/matplotlib
75. MPOS/php-mpos
76. pypa/flit
77. ponylang/pony-tutorial
78. conda/ceps
79. riverscuomo/apps
80. huggingface/agents-course
81. wntrblm/nox
82. kushaldas/pym
83. python-hyper/h2
84. rocketreach/rocketreach_python
85. gleam-lang/otp
86. aio-libs/aiohttp
87. microsoft/language-server-protocol
88. buildout/buildout
89. astral-sh/ruff
90. microsoft/TypeScript-wiki
91. absurdia/absurdia-py
92. microsoftarchive/msgraph-sdk-python
93. asyncio-docs/asyncio-doc
94. conda/conda
95. Django
96. oauthlib/oauthlib
97. google/yapf
98. score-spec/spec
99. bungcip/better-toml
100. pytest-dev/pytest
101. regebro/supporting-python-3
102. microsoft/debugpy
103. ebkalderon/tower-lsp
104. stellar/awesome-stellar
105. dusty-phillips/macabre
106. pyvideo/data
107. ansible/ansible
108. beeware/briefcase
109. google/grumpy
110. MagicStack/MagicPython
111. markshannon/faster-cpython
112. pdm-project/pdm
113. aurelia/documentation
114. Enderchief/gleam-tools
115. microsoft/az-partner-center-cli
116. microsoft/PTVS
117. astral-sh/uv
118. bagder/http2-explained
119. pypa/build
120. vscode-restructuredtext/vscode-restructuredtext
121. pycascades/welcome-wagon-2018
122. 11ty/11ty-website
123. gleam-lang/website
124. PyCQA/pyflakes
125. mozilla-services/konfig
126. devcontainers/features
127. GraphQLGuide/book
128. realpython/python-guide
129. devcontainers/images
130. modelcontextprotocol/rust-sdk
131. zwaldowski/match-label-action
132. Azure/azure-cosmos-python
133. python/importlib_metadata
134. spotify/pedalboard
135. reubeno/brush
136. syl20bnr/spacemacs
137. Azure/azure-functions-python-library
138. sphinx-doc/sphinx
139. stellar-deprecated/docs
140. microsoft/vscode-tools-for-ai
141. actions-rs/install
142. pypa/pipx
143. hynek/build-and-inspect-python-package
144. pyvideo/old-pyvideo
145. rust-lang/log
146. Quansight-Labs/free-threaded-compatibility
147. python/pythontestdotnet
148. beeware/podium
149. conda/conda-docs
150. cometkim/rescript-vitest
151. lustre-labs/ui
152. jupyter-book/mystmd.org
153. jupyter/jupyter.github.io
154. WebAssembly/component-model
155. pypa/trove-classifiers
156. microsoft/python-sample-vscode-django-tutorial
157. livebook-dev/livebook
158. stellar/new-docs
159. scikit-learn/scikit-learn
160. Lukasa/language-restructuredtext
161. jupyterlab/jupyterlab
162. pablogsal/cpython_leaderboard
163. brettcannon/character-frequency
164. vega/ipyvega
165. mesonbuild/meson
166. brettcannon/exercism-solutions
167. clearlydefined/website
168. pypa/setuptools-scm
169. adafruit/Adafruit_CircuitPython_CircuitPlayground
170. bitbldr/sprocket_docs
171. Azure/azure-cli
172. gleam-lang/gleam
173. Fyrd/caniuse
174. riscv-software-src/riscv-tests
175. Devid-Ba/Text-adventure
176. nayafia/nayafia
177. microsoft/vscode-pylint
178. MicrosoftDocs/azure-docs
179. cardoe/stderrlog-rs
180. casey/just
181. saschpe/mozilla-plugins
182. getsentry/responses
183. microsoft/vscode-extension-samples
184. chhantyal/py3readiness
185. psf/fundable-packaging-improvements
186. palantir/python-language-server
187. psf/webassembly
188. psf/black
189. jupyter/notebook
190. luabud/hello-vscodespaces
191. riverscuomo/new-albums
192. victor-o-silva/python-links-from-link-header
193. microsoftgraph/python-sample-pagination
194. diogonfs/pyinit
195. pyca/pyopenssl
196. w3c/ServiceWorker
197. python/mypy
198. lpil/sqlight
199. ericpalakovichcarr/pytest-pythonpath
200. Homebrew/brew
201. kushaldas/asaman
202. okken/pytest-srcpaths
203. gitkraken/vscode-gitlens
204. microsoftgraph/microsoft-graph-docs-contrib
205. rust-lang/rustfmt
206. topazproject/topaz
207. starship/starship
208. facebook/pyre-check
209. extism/extism
210. briandealwis/ferret
211. gleam-lang/erlang
212. conda/conda-build
213. VSCodeVim/Vim
214. lorenzofox3/zora
215. pypi/warehouse
216. python-poetry/tomlkit
217. twisted/klein
218. golang/go
219. PyPy
220. defusedexpat
221. expat
222. Mercurial
223. vim
224. 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. Ee Durbin (8)
27. Jeremy Hylton (7)
28. Thomas Wouters (7)
29. Moshe Zadka (7)
30. Benjamin Peterson (7)
31. Dustin Ingram (7)
32. Pablo Galindo (7)
33. Jelle Zijlstra (7)
34. William Woodruff (7)
35. David Goodger (6)
36. Ka-Ping Yee (6)
37. Jim J. Jewett (6)
38. Phillip J. Eby (6)
39. Daniel Holth (6)
40. Chris Angelico (6)
41. Inada Naoki (6)
42. Brandt Bucher (6)
43. Pablo Galindo Salgado (6)
44. Tzu-ping Chung (6)
45. Collin Winter (6)
46. Anthony Baxter (5)
47. Neil Schemenauer (5)
48. Skip Montanaro (5)
49. Ethan Furman (5)
50. Emma Harper Smith (5)
51. Talin (5)
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53. Irit Katriel (5)
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56. Richard Jones (4)
57. Tarek Ziadé (4)
58. Carl Meyer (4)
59. Jukka Lehtosalo (4)
60. Thomas Kluyver (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)
196. Richard Oudkerk (1)
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200. Greg Slodkowicz (1)
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