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. 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. brettcannon/python-azure-web-app-cookiecutter
15. brettcannon/stdlib-stats
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. brettcannon/flatten_filenames
26. brettcannon/find-duplicate-files
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. microsoft/vscode-python-devicesimulator
38. Azure-Samples/Azure-MachineLearning-DataScience
39. Azure/msrest-for-python
40. brettcannon/pip-secure-install
41. brettcannon/record-type
42. python-hyper/uritemplate
43. Azure/msrestazure-for-python
44. emmatyping/python-wasm
45. pypa/distutils
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. JuliaLang/julia
4. python/steering-council
5. brettcannon/choose-a-font.dev
6. dusty-phillips/match-variant
7. brettcannon/importlib
8. eclipse-archived/ceylon-lang.org
9. python/blurb
10. brettcannon/nowhere-on-the-web
11. microsoft/vscode-telemetry-extractor
12. lustre-labs/lustre
13. microsoft/vscode-anaconda-extension-pack
14. rescript-lang/rescript-lang.org
15. brettcannon/porting-to-python-3-notebook
16. beeware/toga
17. Azure/azure-sdk-for-python
18. python/cherry-picker
19. rust-lang/rust
20. python/planet
21. python/typeshed
22. microsoft/vscode
23. micktwomey/pyiso8601
24. github/gitignore
25. Homebrew/homebrew-core
26. brettcannon/vscode-zephyr-asdl
27. openlawlibrary/pygls
28. pypa/pipenv
29. Homebrew/legacy-homebrew
30. aosabook/500lines
31. cookiecutter/cookiecutter
32. square/dagger
33. WebAssembly/design
34. vstinner/misc
35. micropython/micropython
36. microsoft/vscode-wiki
37. Mariatta/github-bot-tutorial
38. badges/shields
39. brettcannon/cpython-wasi-buildbot
40. inko-lang/inko
41. dotnet/docs
42. python/psf-salt
43. jazzband/pip-tools
44. thechangelog/show-notes
45. gleam-lang/language-tour
46. python/core-sprint
47. beeware/liquid-demo
48. riverscuomo/apps
49. pypa/flit
50. python/python-docs-theme
51. python/pythonineducation.org
52. microsoft/vscode-python-templates
53. bytecodealliance/wasmtime
54. sarugaku/resolvelib
55. microsoft/sql-server-samples
56. MPOS/php-mpos
57. python-hyper/h2
58. microsoft/vscode-isort
59. ponylang/pony-tutorial
60. kushaldas/pep582
61. progit/progit2
62. matplotlib/matplotlib
63. MicrosoftDocs/visualstudio-docs
64. astral-sh/ruff
65. bloodyowl/rescript-test
66. microsoftarchive/msgraph-sdk-python
67. pyscript/pyscript
68. moby/mobywebsite
69. microsoft/language-server-protocol
70. dabeaz/ply
71. vibora-io/vibora
72. kushaldas/pym
73. python/typing
74. asyncio-docs/asyncio-doc
75. python/pyperformance
76. aio-libs/aiohttp
77. buildout/buildout
78. microsoft/TypeScript-wiki
79. microsoft/vscode-docker
80. WebAssembly/wasi-sdk
81. larryhastings/appeal
82. conda/ceps
83. jaraco/skeleton
84. rustwasm/book
85. conda/conda
86. MeeseeksBox/meeseeksbox.github.io
87. Django
88. Enderchief/gleam-tools
89. adafruit/Adafruit_CircuitPython_CircuitPlayground
90. google/yapf
91. vega/ipyvega
92. pypa/trove-classifiers
93. pablogsal/cpython_leaderboard
94. lorenzofox3/zora
95. golang/go
96. MicrosoftDocs/azure-docs
97. mesonbuild/meson
98. jupyter/jupyter.github.io
99. scikit-learn/scikit-learn
100. nayafia/nayafia
101. stellar/awesome-stellar
102. riscv-software-src/riscv-tests
103. extism/extism
104. pycascades/welcome-wagon-2018
105. psf/black
106. google/grumpy
107. realpython/python-guide
108. actions-rs/install
109. hynek/build-and-inspect-python-package
110. ansible/ansible
111. microsoft/az-partner-center-cli
112. pytest-dev/pytest
113. topazproject/topaz
114. microsoft/vscode-extension-samples
115. cometkim/rescript-vitest
116. rust-lang/rustfmt
117. vscode-restructuredtext/vscode-restructuredtext
118. Azure/azure-cli
119. chhantyal/py3readiness
120. gleam-lang/otp
121. aurelia/documentation
122. okken/pytest-srcpaths
123. w3c/ServiceWorker
124. gleam-lang/website
125. gleam-lang/gleam
126. markshannon/faster-cpython
127. pypa/pipx
128. devcontainers/features
129. starship/starship
130. saschpe/mozilla-plugins
131. Quansight-Labs/free-threaded-compatibility
132. python/pythontestdotnet
133. livebook-dev/livebook
134. VSCodeVim/Vim
135. jupyter/notebook
136. mozilla-services/konfig
137. microsoft/vscode-pylint
138. Azure/azure-functions-python-library
139. pypa/build
140. microsoftgraph/microsoft-graph-docs-contrib
141. palantir/python-language-server
142. wntrblm/nox
143. 11ty/11ty-website
144. microsoft/python-sample-vscode-django-tutorial
145. GraphQLGuide/book
146. pyca/pyopenssl
147. astral-sh/uv
148. ericpalakovichcarr/pytest-pythonpath
149. kushaldas/asaman
150. Fyrd/caniuse
151. score-spec/spec
152. psf/fundable-packaging-improvements
153. victor-o-silva/python-links-from-link-header
154. Azure/azure-cosmos-python
155. cardoe/stderrlog-rs
156. bagder/http2-explained
157. PyCQA/pyflakes
158. spotify/pedalboard
159. diogonfs/pyinit
160. python/importlib_metadata
161. huggingface/agents-course
162. psf/webassembly
163. lustre-labs/ui
164. facebook/pyre-check
165. pyvideo/old-pyvideo
166. Lukasa/language-restructuredtext
167. ebkalderon/tower-lsp
168. microsoftgraph/python-sample-pagination
169. brettcannon/character-frequency
170. syl20bnr/spacemacs
171. devcontainers/images
172. rocketreach/rocketreach_python
173. Homebrew/brew
174. pypa/setuptools-scm
175. dusty-phillips/macabre
176. zwaldowski/match-label-action
177. conda/conda-build
178. bungcip/better-toml
179. stellar-deprecated/docs
180. stellar/new-docs
181. MagicStack/MagicPython
182. luabud/hello-vscodespaces
183. rust-lang/log
184. gitkraken/vscode-gitlens
185. casey/just
186. briandealwis/ferret
187. WebAssembly/component-model
188. pdm-project/pdm
189. conda/conda-docs
190. jupyterlab/jupyterlab
191. regebro/supporting-python-3
192. twisted/klein
193. python/mypy
194. sphinx-doc/sphinx
195. bitbldr/sprocket_docs
196. clearlydefined/website
197. microsoft/PTVS
198. riverscuomo/new-albums
199. jupyter-book/mystmd.org
200. Devid-Ba/Text-adventure
201. microsoft/debugpy
202. oauthlib/oauthlib
203. getsentry/responses
204. microsoft/vscode-tools-for-ai
205. absurdia/absurdia-py
206. pyvideo/data
207. python-poetry/tomlkit
208. pypi/warehouse
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 (52)
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. Shantanu Jain (3)
83. Gregory P. Smith (3)
84. Ewa Jodlowska (3)
85. Aahz (2)
86. Oleg Broytman (2)
87. Fred L. Drake (2)
88. Jr. (2)
89. David Ascher (2)
90. Greg Wilson (2)
91. Gordon McMillan (2)
92. Christopher A. Craig (2)
93. Clark C. Evans (2)
94. Greg Stein (2)
95. Magnus Lie Hetland (2)
96. Jack Jansen (2)
97. Vinay Sajip (2)
98. Mark Hammond (2)
99. Josiah Carlson (2)
100. Terry Reedy (2)
101. Facundo Batista (2)
102. Ben Finney (2)
103. Calvin Spealman (2)
104. Tim Delaney (2)
105. Jesse Noller (2)
106. Stephen J. Turnbull (2)
107. Dirkjan Ochtman (2)
108. Miro Hrončok (2)
109. Cameron Simpson (2)
110. Alex Gaynor (2)
111. Ronald Oussoren (2)
112. Trishank Karthik Kuppusamy (2)
113. Vladimir Diaz (2)
114. Marina Moore (2)
115. Justin Cappos (2)
116. Stefano Borini (2)
117. Stefan Behnel (2)
118. Ned Deily (2)
119. Alexander Belopolsky (2)
120. Mark E. Haase (2)
121. Robert Collins (2)
122. Koos Zevenhoven (2)
123. Cory Benfield (2)
124. Marcel Plch (2)
125. Mario Corchero (2)
126. Geoffrey Thomas (2)
127. Maggie Moss (2)
128. Stéphane Bidoul (2)
129. Mark Mendoza (2)
130. Shannon Zhu (2)
131. Paul Ganssle (2)
132. Daniel F Moisset (2)
133. Tobias Kohn (2)
134. David Foster (2)
135. Tal Einat (2)
136. Steven Troxler (2)
137. Zac Hatfield-Dodds (2)
138. Erik De Bonte (2)
139. Sam Gross (2)
140. Ralf Gommers (2)
141. Sergey B Kirpichev (2)
142. Facundo Tuesca (2)
143. Savannah Ostrowski (2)
144. Hugo van Kemenade (2)
145. Hood Chatham (2)
146. Daniel Stutzbach (2)
147. Joe Carey (2)
148. Martijn Faassen (1)
149. The Python core team and community (1)
150. Paul Barrett (1)
151. Peter Schneider-Kamp (1)
152. Huaiyu Zhu (1)
153. Gregory Lielens (1)
154. Paul F. Dubois (1)
155. Sean Reifschneider (1)
156. Grant Griffin (1)
157. Jonathan Riehl (1)
158. Jason Petrone (1)
159. Frédéric B. Giacometti (1)
160. James C. Ahlstrom (1)
161. Jim Althoff (1)
162. Neil Hodgson (1)
163. Trent Mick (1)
164. David Eppstein (1)
165. Walter Dörwald (1)
166. Oren Tirosh (1)
167. Stepan Koltsov (1)
168. Scott Gilbert (1)
169. Thomas Heller (1)
170. Jeff Epler (1)
171. Just van Rossum (1)
172. Thomas Bellman (1)
173. Kevin Altis (1)
174. Dave Cole (1)
175. Andrew McNamara (1)
176. Cliff Wells (1)
177. Jack Diederich (1)
178. Peter Harris (1)
179. Roman Suzi (1)
180. Mike Meyer (1)
181. W Isaac Carroll (1)
182. Terence Way (1)
183. Steven Taschuk (1)
184. Kevin D. Smith (1)
185. Peter Astrand (1)
186. Samuele Pedroni (1)
187. Christian R. Reis (1)
188. Andrew McClelland (1)
189. Michael P. Dubner (1)
190. Micah Elliott (1)
191. Björn Lindqvist (1)
192. Jiwon Seo (1)
193. Ben North (1)
194. Lino Mastrodomenico (1)
195. Richard Oudkerk (1)
196. Alexandre Vassalotti (1)
197. Jervis Whitley (1)
198. Kerrick Staley (1)
199. Greg Slodkowicz (1)
200. Michael Foord (1)
201. Paul Colomiets (1)
202. Daniel Urban (1)
203. Benoit Bryon (1)
204. Lennart Regebro (1)
205. Todd Rovito (1)
206. Stefan Krah (1)
207. Holger Krekel (1)
208. Chris McDonough (1)
209. Joshua Landau (1)
210. Lukas Puehringer (1)
211. Joshua Lock (1)
212. Lois Anne DeLong (1)
213. Ben Hoyt (1)
214. Joseph Martinot-Lagarde (1)
215. Sebastian Kreft (1)
216. Charles-François Natali (1)
217. Christopher Barker (1)
218. Martin Teichmann (1)
219. Robert Kuska (1)
220. James Polley (1)
221. Ed Schofield (1)
222. Joseph Jevnik (1)
223. Nick Humrich (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)
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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)
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315. Michael Sarahan (1)
316. Eneg (1)
317. Matt Wozniski (1)
318. Ivona Stojanovic (1)
319. Seth Larson (1)
320. Thomas Robitaille (1)
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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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