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. 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. brettcannon/sans-io
21. microsoft/vscode-docs
22. brettcannon/modutil
23. pypa/packaging.python.org
24. brettcannon/time-clock
25. brettcannon/find-duplicate-files
26. brettcannon/flatten_filenames
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. 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. Azure/msrest-for-python
40. brettcannon/pip-secure-install
41. brettcannon/record-type
42. Azure/msrestazure-for-python
43. microsoft/TypeScript-Handbook
44. python-hyper/uritemplate
45. pypa/distutils
46. emmatyping/python-wasm
47. brettcannon/defy-layout-scorer
48. orsenthil/cpython-hg-to-git
49. python/buildmaster-config
50. python-hglib

1. benjaminp/six
2. python3statement/python3statement.github.io
3. dusty-phillips/match-variant
4. brettcannon/choose-a-font.dev
5. brettcannon/importlib
6. JuliaLang/julia
7. python/steering-council
8. lustre-labs/lustre
9. brettcannon/nowhere-on-the-web
10. eclipse-archived/ceylon-lang.org
11. python/blurb
12. rescript-lang/rescript-lang.org
13. microsoft/vscode-telemetry-extractor
14. microsoft/vscode-anaconda-extension-pack
15. python/cherry-picker
16. brettcannon/porting-to-python-3-notebook
17. beeware/toga
18. Azure/azure-sdk-for-python
19. microsoft/vscode
20. rust-lang/rust
21. python/typeshed
22. micktwomey/pyiso8601
23. python/planet
24. brettcannon/vscode-zephyr-asdl
25. Homebrew/legacy-homebrew
26. cookiecutter/cookiecutter
27. aosabook/500lines
28. square/dagger
29. github/gitignore
30. Homebrew/homebrew-core
31. WebAssembly/design
32. pypa/pipenv
33. openlawlibrary/pygls
34. python/psf-salt
35. inko-lang/inko
36. dotnet/docs
37. micropython/micropython
38. microsoft/vscode-wiki
39. thechangelog/show-notes
40. brettcannon/cpython-wasi-buildbot
41. vstinner/misc
42. jazzband/pip-tools
43. Mariatta/github-bot-tutorial
44. badges/shields
45. progit/progit2
46. python/pythonineducation.org
47. pypa/flit
48. bytecodealliance/wasmtime
49. WebAssembly/wasi-sdk
50. MPOS/php-mpos
51. MicrosoftDocs/visualstudio-docs
52. jaraco/skeleton
53. microsoft/vscode-docker
54. gleam-lang/language-tour
55. python/python-docs-theme
56. asyncio-docs/asyncio-doc
57. microsoft/vscode-isort
58. microsoftarchive/msgraph-sdk-python
59. moby/mobywebsite
60. rustwasm/book
61. vibora-io/vibora
62. buildout/buildout
63. matplotlib/matplotlib
64. python/pyperformance
65. python/core-sprint
66. beeware/liquid-demo
67. python-hyper/h2
68. bloodyowl/rescript-test
69. microsoft/language-server-protocol
70. riverscuomo/apps
71. conda/conda
72. MeeseeksBox/meeseeksbox.github.io
73. microsoft/vscode-python-templates
74. sarugaku/resolvelib
75. conda/ceps
76. kushaldas/pym
77. astral-sh/ruff
78. microsoft/TypeScript-wiki
79. aio-libs/aiohttp
80. dabeaz/ply
81. kushaldas/pep582
82. ponylang/pony-tutorial
83. python/typing
84. microsoft/sql-server-samples
85. pyscript/pyscript
86. larryhastings/appeal
87. Django
88. pdm-project/pdm
89. ebkalderon/tower-lsp
90. pyvideo/old-pyvideo
91. absurdia/absurdia-py
92. pyca/pyopenssl
93. livebook-dev/livebook
94. Lukasa/language-restructuredtext
95. conda/conda-docs
96. huggingface/agents-course
97. jupyter-book/mystmd.org
98. actions-rs/install
99. ericpalakovichcarr/pytest-pythonpath
100. Azure/azure-cosmos-python
101. ansible/ansible
102. mozilla-services/konfig
103. python/importlib_metadata
104. Fyrd/caniuse
105. microsoftgraph/microsoft-graph-docs-contrib
106. aurelia/documentation
107. vega/ipyvega
108. stellar/awesome-stellar
109. jupyterlab/jupyterlab
110. twisted/klein
111. topazproject/topaz
112. casey/just
113. luabud/hello-vscodespaces
114. google/yapf
115. brettcannon/character-frequency
116. Devid-Ba/Text-adventure
117. astral-sh/uv
118. sphinx-doc/sphinx
119. pypi/warehouse
120. Azure/azure-cli
121. palantir/python-language-server
122. pycascades/welcome-wagon-2018
123. briandealwis/ferret
124. MagicStack/MagicPython
125. bitbldr/sprocket_docs
126. microsoft/python-sample-vscode-django-tutorial
127. riverscuomo/new-albums
128. w3c/ServiceWorker
129. 11ty/11ty-website
130. mesonbuild/meson
131. clearlydefined/website
132. dusty-phillips/macabre
133. rocketreach/rocketreach_python
134. Azure/azure-functions-python-library
135. python/pythontestdotnet
136. syl20bnr/spacemacs
137. nayafia/nayafia
138. microsoftgraph/python-sample-pagination
139. Enderchief/gleam-tools
140. rust-lang/log
141. score-spec/spec
142. diogonfs/pyinit
143. conda/conda-build
144. PyCQA/pyflakes
145. gleam-lang/gleam
146. python-poetry/tomlkit
147. microsoft/vscode-pylint
148. devcontainers/images
149. psf/fundable-packaging-improvements
150. gleam-lang/otp
151. rust-lang/rustfmt
152. pyvideo/data
153. bagder/http2-explained
154. victor-o-silva/python-links-from-link-header
155. lorenzofox3/zora
156. regebro/supporting-python-3
157. golang/go
158. zwaldowski/match-label-action
159. scikit-learn/scikit-learn
160. devcontainers/features
161. hynek/build-and-inspect-python-package
162. jupyter/notebook
163. microsoft/az-partner-center-cli
164. microsoft/vscode-extension-samples
165. extism/extism
166. pytest-dev/pytest
167. starship/starship
168. markshannon/faster-cpython
169. microsoft/debugpy
170. MicrosoftDocs/azure-docs
171. pablogsal/cpython_leaderboard
172. VSCodeVim/Vim
173. psf/black
174. pypa/build
175. oauthlib/oauthlib
176. saschpe/mozilla-plugins
177. jupyter/jupyter.github.io
178. stellar/new-docs
179. facebook/pyre-check
180. bungcip/better-toml
181. WebAssembly/component-model
182. lustre-labs/ui
183. cometkim/rescript-vitest
184. psf/webassembly
185. okken/pytest-srcpaths
186. kushaldas/asaman
187. adafruit/Adafruit_CircuitPython_CircuitPlayground
188. gleam-lang/website
189. pypa/setuptools-scm
190. pypa/trove-classifiers
191. spotify/pedalboard
192. GraphQLGuide/book
193. python/mypy
194. vscode-restructuredtext/vscode-restructuredtext
195. stellar-deprecated/docs
196. microsoft/vscode-tools-for-ai
197. Homebrew/brew
198. google/grumpy
199. pypa/pipx
200. getsentry/responses
201. gitkraken/vscode-gitlens
202. cardoe/stderrlog-rs
203. chhantyal/py3readiness
204. realpython/python-guide
205. Quansight-Labs/free-threaded-compatibility
206. microsoft/PTVS
207. riscv-software-src/riscv-tests
208. wntrblm/nox
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)
212. Joshua Lock (1)
213. Lois Anne DeLong (1)
214. Ben Hoyt (1)
215. Joseph Martinot-Lagarde (1)
216. Sebastian Kreft (1)
217. Charles-François Natali (1)
218. Christopher Barker (1)
219. Martin Teichmann (1)
220. Robert Kuska (1)
221. James Polley (1)
222. Ed Schofield (1)
223. Joseph Jevnik (1)
224. Mike G. Miller (1)
225. Robert T. McGibbon (1)
226. Serhiy Storchaka (1)
227. Dino Viehland (1)
228. Ryan Gonzalez (1)
229. Philip House (1)
230. Lisa Roach (1)
231. Tomáš Orsava (1)
232. Philipp Angerer (1)
233. Erik M. Bray (1)
234. Masayuki Yamamoto (1)
235. Markus Meskanen (1)
236. Julien Palard (1)
237. R David Murray (1)
238. Elvis Pranskevichus (1)
239. Eric N. Vander Weele (1)
240. Mark Williams (1)
241. Kushal Das (1)
242. Michael Lee (1)
243. Michael J. Sullivan (1)
244. Till Varoquaux (1)
245. Konstantin Kashin (1)
246. Ezio Melotti (1)
247. Berker Peksag (1)
248. Damien George (1)
249. Philippe PRADOS (1)
250. Sumana Harihareswara (1)
251. Chris Jerdonek (1)
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253. Sébastien Eustace (1)
254. Laurie Opperman (1)
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256. Philippe Ombredanne (1)
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259. Matthew Rahtz (1)
260. Vincent Siles (1)
261. Vikram Jayanthi (1)
262. Ammar Askar (1)
263. Bernát Gábor (1)
264. Laura Creighton (1)
265. Tian Gao (1)
266. Matthias Klose (1)
267. Stefano Rivera (1)
268. Elana Hashman (1)
269. Graham Bleaney (1)
270. Adam Turner (1)
271. Taneli Hukkinen (1)
272. John Belmonte (1)
273. Eddie Elizondo (1)
274. Germán Méndez Bravo (1)
275. Cooper Lees (1)
276. Franek Magiera (1)
277. Joshua Xu (1)
278. Ken Jin (1)
279. Marta Gómez Macías (1)
280. Alice Purcell (1)
281. Fridolín Pokorný (1)
282. Joshua Cannon (1)
283. Amethyst Reese (1)
284. Rich Chiodo (1)
285. Sebastián Ramírez (1)
286. Zixuan James Li (1)
287. Russell Keith-Magee (1)
288. Joanna Jablonski (1)
289. Domenico Andreoli (1)
290. Carl Friedrich Bolz-Tereick (1)
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293. David Hewitt (1)
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295. Marc-Andre Lemburg (1)
296. Donghee Na (1)
297. Karl Nelson (1)
298. Stepan Sindelar (1)
299. David Woods (1)
300. Stephen Rosen (1)
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306. Paul Everitt (1)
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309. Jarek Potiuk (1)
310. Gregory R. Warnes (1)
311. Seth Michael Larson (1)
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315. Michael Sarahan (1)
316. Eneg (1)
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318. Ivona Stojanovic (1)
319. Seth Larson (1)
320. Thomas Robitaille (1)
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322. Deb Nicholson (1)
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325. Klaus Zimmermann (1)
326. Tony Lownds (1)
327. Andre Roberge (1)
328. Jason Orendorff (1)
329. Mike Verdone (1)
330. Carl Banks (1)
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332. Lie Ryan (1)
333. Matt Chisholm (1)
334. Atsuo Ishimoto (1)
335. Gerald Britton (1)
336. Peter Moody (1)
337. Eric Pruitt (1)
338. Charles R. McCreary (1)
339. Reid Kleckner (1)
340. Brian Quinlan (1)
341. Laurens Van Houtven (1)
342. Zachary Ware (1)
343. Doug Hellmann (1)
344. The PEP Editors (1)

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