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. pypa/packaging
15. brettcannon/free-labour
16. brettcannon/travelbrag
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/microvenv
10. brettcannon/trips-history
11. brettcannon/pep425
12. brettcannon/python-azure-web-app-cookiecutter
13. brettcannon/check-for-changed-files
14. brettcannon/py-pip
15. pypa/packaging.python.org
16. brettcannon/cpython-wasi-build
17. brettcannon/stdlib-stats
18. brettcannon/mnfy
19. microsoft/vscode-docs-archive
20. microsoft/vscode-docs
21. dabeaz/curio
22. brettcannon/sans-io
23. brettcannon/modutil
24. brettcannon/time-clock
25. brettcannon/riscv-harmony
26. brettcannon/flatten_filenames
27. brettcannon/find-duplicate-files
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. python/core-workflow
35. microsoft/vscode-dev-containers
36. dusty-phillips/rescript-zora
37. microsoft/vscode-python-devicesimulator
38. Azure-Samples/Azure-MachineLearning-DataScience
39. brettcannon/record-type
40. brettcannon/pip-secure-install
41. Azure/msrest-for-python
42. Azure/msrestazure-for-python
43. microsoft/TypeScript-Handbook
44. emmatyping/python-wasm
45. python-hyper/uritemplate
46. pypa/distutils
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. python/steering-council
4. beeware/toga
5. JuliaLang/julia
6. brettcannon/choose-a-font.dev
7. dusty-phillips/match-variant
8. brettcannon/importlib
9. python/blurb
10. brettcannon/nowhere-on-the-web
11. microsoft/vscode-telemetry-extractor
12. rescript-lang/rescript-lang.org
13. microsoft/vscode-anaconda-extension-pack
14. lustre-labs/lustre
15. eclipse-archived/ceylon-lang.org
16. Azure/azure-sdk-for-python
17. python/cherry-picker
18. brettcannon/porting-to-python-3-notebook
19. python/planet
20. python/typeshed
21. openlawlibrary/pygls
22. microsoft/vscode
23. micktwomey/pyiso8601
24. python/cpython-devcontainers
25. rust-lang/rust
26. aosabook/500lines
27. pypa/pipenv
28. square/dagger
29. github/gitignore
30. Homebrew/legacy-homebrew
31. brettcannon/vscode-zephyr-asdl
32. cookiecutter/cookiecutter
33. WebAssembly/design
34. Homebrew/homebrew-core
35. badges/shields
36. vstinner/misc
37. thechangelog/show-notes
38. dotnet/docs
39. python/psf-salt
40. brettcannon/cpython-wasi-buildbot
41. micropython/micropython
42. jazzband/pip-tools
43. Mariatta/github-bot-tutorial
44. inko-lang/inko
45. microsoft/vscode-wiki
46. riverscuomo/apps
47. vibora-io/vibora
48. MicrosoftDocs/visualstudio-docs
49. MPOS/php-mpos
50. aio-libs/aiohttp
51. MeeseeksBox/meeseeksbox.github.io
52. pypa/flit
53. python/pythonineducation.org
54. dabeaz/ply
55. larryhastings/appeal
56. sarugaku/resolvelib
57. python-hyper/h2
58. microsoft/vscode-python-templates
59. moby/mobywebsite
60. microsoft/vscode-isort
61. progit/progit2
62. jaraco/skeleton
63. microsoft/vscode-docker
64. microsoft/language-server-protocol
65. huggingface/agents-course
66. fastapi/sqlmodel
67. kushaldas/pym
68. astral-sh/ruff
69. python/python-docs-theme
70. matplotlib/matplotlib
71. kushaldas/pep582
72. microsoft/sql-server-samples
73. buildout/buildout
74. gleam-lang/language-tour
75. python/core-sprint
76. pyscript/pyscript
77. conda/conda
78. asyncio-docs/asyncio-doc
79. beeware/liquid-demo
80. gleam-lang/otp
81. python/typing
82. rustwasm/book
83. python/pyperformance
84. beeware/beeware.github.io
85. conda/ceps
86. microsoftarchive/msgraph-sdk-python
87. wntrblm/nox
88. ponylang/pony-tutorial
89. bytecodealliance/wasmtime
90. bloodyowl/rescript-test
91. WebAssembly/wasi-sdk
92. microsoft/TypeScript-wiki
93. Django
94. lustre-labs/ui
95. stellar-deprecated/docs
96. astral-sh/uv
97. scikit-learn/scikit-learn
98. gitkraken/vscode-gitlens
99. bungcip/better-toml
100. rust-lang/rustfmt
101. palantir/python-language-server
102. absurdia/absurdia-py
103. actions-rs/install
104. python-poetry/tomlkit
105. google/grumpy
106. gleam-lang/website
107. Enderchief/gleam-tools
108. python/mypy
109. Azure/azure-cosmos-python
110. stellar/new-docs
111. pypa/pipx
112. saschpe/mozilla-plugins
113. microsoft/PTVS
114. okken/pytest-srcpaths
115. MicrosoftDocs/azure-docs
116. aurelia/documentation
117. cometkim/rescript-vitest
118. microsoft/az-partner-center-cli
119. VSCodeVim/Vim
120. Azure/azure-functions-python-library
121. Devid-Ba/Text-adventure
122. topazproject/topaz
123. jupyter/jupyter.github.io
124. briandealwis/ferret
125. ebkalderon/tower-lsp
126. pyvideo/old-pyvideo
127. microsoft/vscode-extension-samples
128. Azure/azure-cli
129. bagder/http2-explained
130. victor-o-silva/python-links-from-link-header
131. GraphQLGuide/book
132. clearlydefined/website
133. beeware/briefcase
134. stellar/awesome-stellar
135. reubeno/brush
136. beeware/podium
137. pablogsal/cpython_leaderboard
138. pypa/trove-classifiers
139. Homebrew/brew
140. microsoftgraph/microsoft-graph-docs-contrib
141. Lukasa/language-restructuredtext
142. Fyrd/caniuse
143. microsoft/vscode-pylint
144. brettcannon/character-frequency
145. microsoft/python-sample-vscode-django-tutorial
146. pyca/pyopenssl
147. sphinx-doc/sphinx
148. microsoftgraph/python-sample-pagination
149. hynek/build-and-inspect-python-package
150. dotnet/aspire
151. devcontainers/features
152. riscv-software-src/riscv-tests
153. oauthlib/oauthlib
154. pycascades/welcome-wagon-2018
155. luabud/hello-vscodespaces
156. microsoft/vscode-tools-for-ai
157. bitbldr/sprocket_docs
158. w3c/ServiceWorker
159. getsentry/responses
160. gleam-lang/gleam
161. pypa/setuptools-scm
162. extism/extism
163. psf/webassembly
164. facebook/pyre-check
165. vscode-restructuredtext/vscode-restructuredtext
166. ericpalakovichcarr/pytest-pythonpath
167. twisted/klein
168. vega/ipyvega
169. pypa/build
170. jupyterlab/jupyterlab
171. psf/fundable-packaging-improvements
172. lpil/sqlight
173. score-spec/spec
174. psf/black
175. modelcontextprotocol/rust-sdk
176. mesonbuild/meson
177. pyvideo/data
178. adafruit/Adafruit_CircuitPython_CircuitPlayground
179. brettcannon/exercism-solutions
180. pytest-dev/pytest
181. python/pythontestdotnet
182. PyCQA/pyflakes
183. conda/conda-build
184. diogonfs/pyinit
185. devcontainers/images
186. nayafia/nayafia
187. rocketreach/rocketreach_python
188. ansible/ansible
189. starship/starship
190. golang/go
191. microsoft/debugpy
192. google/yapf
193. dusty-phillips/macabre
194. 11ty/11ty-website
195. regebro/supporting-python-3
196. chhantyal/py3readiness
197. python/importlib_metadata
198. conda/conda-docs
199. zwaldowski/match-label-action
200. cardoe/stderrlog-rs
201. casey/just
202. mozilla-services/konfig
203. kushaldas/asaman
204. rust-lang/log
205. syl20bnr/spacemacs
206. lorenzofox3/zora
207. Quansight-Labs/free-threaded-compatibility
208. pypi/warehouse
209. livebook-dev/livebook
210. pdm-project/pdm
211. realpython/python-guide
212. markshannon/faster-cpython
213. jupyter-book/mystmd.org
214. jupyter/notebook
215. MagicStack/MagicPython
216. riverscuomo/new-albums
217. gleam-lang/erlang
218. spotify/pedalboard
219. WebAssembly/component-model
220. PyPy
221. defusedexpat
222. expat
223. Mercurial
224. vim
225. 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)
52. Eric Traut (5)
53. Irit Katriel (5)
54. Paul Prescod (4)
55. Gregory Ewing (4)
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. Adam Turner (2)
142. Steven Troxler (2)
143. Erik De Bonte (2)
144. Sam Gross (2)
145. Ralf Gommers (2)
146. Savannah Ostrowski (2)
147. Hood Chatham (2)
148. Daniel Stutzbach (2)
149. Joe Carey (2)
150. Martijn Faassen (1)
151. The Python core team and community (1)
152. Paul Barrett (1)
153. Peter Schneider-Kamp (1)
154. Huaiyu Zhu (1)
155. Gregory Lielens (1)
156. Paul F. Dubois (1)
157. Sean Reifschneider (1)
158. Grant Griffin (1)
159. Jonathan Riehl (1)
160. Jason Petrone (1)
161. Frédéric B. Giacometti (1)
162. James C. Ahlstrom (1)
163. Jim Althoff (1)
164. Neil Hodgson (1)
165. Trent Mick (1)
166. David Eppstein (1)
167. Walter Dörwald (1)
168. Oren Tirosh (1)
169. Stepan Koltsov (1)
170. Scott Gilbert (1)
171. Thomas Heller (1)
172. Jeff Epler (1)
173. Just van Rossum (1)
174. Thomas Bellman (1)
175. Kevin Altis (1)
176. Dave Cole (1)
177. Andrew McNamara (1)
178. Cliff Wells (1)
179. Jack Diederich (1)
180. Peter Harris (1)
181. Roman Suzi (1)
182. Mike Meyer (1)
183. W Isaac Carroll (1)
184. Terence Way (1)
185. Steven Taschuk (1)
186. Kevin D. Smith (1)
187. Peter Astrand (1)
188. Samuele Pedroni (1)
189. Christian R. Reis (1)
190. Andrew McClelland (1)
191. Michael P. Dubner (1)
192. Micah Elliott (1)
193. Björn Lindqvist (1)
194. Jiwon Seo (1)
195. Ben North (1)
196. Lino Mastrodomenico (1)
197. Richard Oudkerk (1)
198. Alexandre Vassalotti (1)
199. Jervis Whitley (1)
200. Kerrick Staley (1)
201. Greg Slodkowicz (1)
202. Michael Foord (1)
203. Paul Colomiets (1)
204. Daniel Urban (1)
205. Benoit Bryon (1)
206. Lennart Regebro (1)
207. Todd Rovito (1)
208. Stefan Krah (1)
209. Holger Krekel (1)
210. Chris McDonough (1)
211. Joshua Landau (1)
212. Lukas Puehringer (1)
213. Joshua Lock (1)
214. Lois Anne DeLong (1)
215. Ben Hoyt (1)
216. Joseph Martinot-Lagarde (1)
217. Sebastian Kreft (1)
218. Charles-François Natali (1)
219. Christopher Barker (1)
220. Martin Teichmann (1)
221. Robert Kuska (1)
222. James Polley (1)
223. Ed Schofield (1)
224. Joseph Jevnik (1)
225. Mike G. Miller (1)
226. Robert T. McGibbon (1)
227. Serhiy Storchaka (1)
228. Dino Viehland (1)
229. Ryan Gonzalez (1)
230. Philip House (1)
231. Lisa Roach (1)
232. Tomáš Orsava (1)
233. Philipp Angerer (1)
234. Erik M. Bray (1)
235. Masayuki Yamamoto (1)
236. Markus Meskanen (1)
237. Julien Palard (1)
238. R David Murray (1)
239. Elvis Pranskevichus (1)
240. Eric N. Vander Weele (1)
241. Mark Williams (1)
242. Kushal Das (1)
243. Michael Lee (1)
244. Michael J. Sullivan (1)
245. Till Varoquaux (1)
246. Konstantin Kashin (1)
247. Ezio Melotti (1)
248. Berker Peksag (1)
249. Damien George (1)
250. Philippe PRADOS (1)
251. Sumana Harihareswara (1)
252. Chris Jerdonek (1)
253. Dennis Sweeney (1)
254. Sébastien Eustace (1)
255. Laurie Opperman (1)
256. Arun Babu Neelicattu (1)
257. Philippe Ombredanne (1)
258. C.A.M. Gerlach (1)
259. Karolina Surma (1)
260. Matthew Rahtz (1)
261. Vincent Siles (1)
262. Vikram Jayanthi (1)
263. Ammar Askar (1)
264. Bernát Gábor (1)
265. Laura Creighton (1)
266. Tian Gao (1)
267. Matthias Klose (1)
268. Stefano Rivera (1)
269. Elana Hashman (1)
270. Graham Bleaney (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)
291. Simon Cross (1)
292. Tim Felgentreff (1)
293. David Hewitt (1)
294. Wenzel Jakob (1)
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)
301. Joshua Bambrick (1)
302. Malcolm Smith (1)
303. Adrian Garcia Badaracco (1)
304. Joop van de Pol (1)
305. Jim Baker (1)
306. Paul Everitt (1)
307. Koudai Aono (1)
308. Dave Peck (1)
309. Jarek Potiuk (1)
310. Gregory R. Warnes (1)
311. Seth Michael Larson (1)
312. Emily Morehouse-Valcarcel (1)
313. Alexis Challande (1)
314. Victorien Plot (1)
315. Michael Sarahan (1)
316. Eneg (1)
317. Matt Wozniski (1)
318. Ivona Stojanovic (1)
319. Seth Larson (1)
320. Thomas Robitaille (1)
321. Jonathan Dekhtiar (1)
322. Deb Nicholson (1)
323. Stan Ulbrych (1)
324. Matt Page (1)
325. Klaus Zimmermann (1)
326. Peter Bierma (1)
327. Adam Hartz (1)
328. Erik Demaine (1)
329. László Kiss Kollár (1)
330. Tony Lownds (1)
331. Andre Roberge (1)
332. Jason Orendorff (1)
333. Mike Verdone (1)
334. Carl Banks (1)
335. Patrick Maupin (1)
336. Lie Ryan (1)
337. Matt Chisholm (1)
338. Atsuo Ishimoto (1)
339. Gerald Britton (1)
340. Peter Moody (1)
341. Eric Pruitt (1)
342. Charles R. McCreary (1)
343. Reid Kleckner (1)
344. Brian Quinlan (1)
345. Laurens Van Houtven (1)
346. Zachary Ware (1)
347. Doug Hellmann (1)
348. The PEP Editors (1)

• Mercury
• Venus
• Earth
• Mars
• Jupiter
• Saturn
• Uranus
• Neptune