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

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