1. python/cpython

1. python/peps
2. microsoft/vscode-python
3. brettcannon/python-launcher
4. brettcannon/caniusepython3
5. microsoft/vscode-jupyter
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. 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. pypa/packaging.python.org
15. brettcannon/python-azure-web-app-cookiecutter
16. brettcannon/stdlib-stats
17. brettcannon/cpython-wasi-build
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/find-duplicate-files
26. brettcannon/flatten_filenames
27. brettcannon/riscv-harmony
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. 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. brettcannon/record-type
41. Azure/msrest-for-python
42. microsoft/TypeScript-Handbook
43. python-hyper/uritemplate
44. pypa/distutils
45. emmatyping/python-wasm
46. Azure/msrestazure-for-python
47. brettcannon/defy-layout-scorer
48. orsenthil/cpython-hg-to-git
49. python/buildmaster-config
50. python-hglib

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