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/travelbrag
16. brettcannon/free-labour
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. python/devinabox
8. brettcannon/WWBD
9. brettcannon/pep425
10. brettcannon/microvenv
11. brettcannon/trips-history
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. brettcannon/flatten_filenames
26. elixir-lang/elixir-lang.github.com
27. brettcannon/find-duplicate-files
28. brettcannon/riscv-harmony
29. uranusjr/packaging-metadata-comparisons
30. brettcannon/basicenum
31. angular/angular.js
32. pypa/setuptools
33. python-trio/trio
34. dusty-phillips/rescript-zora
35. python/core-workflow
36. microsoft/vscode-dev-containers
37. microsoft/vscode-python-devicesimulator
38. Azure-Samples/Azure-MachineLearning-DataScience
39. brettcannon/record-type
40. Azure/msrest-for-python
41. brettcannon/pip-secure-install
42. python-hyper/uritemplate
43. pypa/distutils
44. Azure/msrestazure-for-python
45. emmatyping/python-wasm
46. microsoft/TypeScript-Handbook
47. python3statement/python3statement.github.io
48. brettcannon/defy-layout-scorer
49. python/buildmaster-config
50. orsenthil/cpython-hg-to-git
51. python-hglib

1. benjaminp/six
2. beeware/toga
3. brettcannon/importlib
4. JuliaLang/julia
5. python/steering-council
6. dusty-phillips/match-variant
7. brettcannon/choose-a-font.dev
8. lustre-labs/lustre
9. brettcannon/nowhere-on-the-web
10. python/blurb
11. python/cpython-devcontainers
12. eclipse-archived/ceylon-lang.org
13. microsoft/vscode-anaconda-extension-pack
14. microsoft/vscode-telemetry-extractor
15. rescript-lang/rescript-lang.org
16. brettcannon/porting-to-python-3-notebook
17. Azure/azure-sdk-for-python
18. python/cherry-picker
19. python/typeshed
20. microsoft/vscode
21. rust-lang/rust
22. python/planet
23. openlawlibrary/pygls
24. micktwomey/pyiso8601
25. brettcannon/vscode-zephyr-asdl
26. square/dagger
27. cookiecutter/cookiecutter
28. Homebrew/legacy-homebrew
29. Homebrew/homebrew-core
30. WebAssembly/design
31. pypa/pipenv
32. aosabook/500lines
33. github/gitignore
34. microsoft/vscode-wiki
35. jazzband/pip-tools
36. thechangelog/show-notes
37. python/psf-salt
38. micropython/micropython
39. brettcannon/cpython-wasi-buildbot
40. Mariatta/github-bot-tutorial
41. dotnet/docs
42. badges/shields
43. vstinner/misc
44. inko-lang/inko
45. vibora-io/vibora
46. MPOS/php-mpos
47. huggingface/agents-course
48. microsoftarchive/msgraph-sdk-python
49. sarugaku/resolvelib
50. pyscript/pyscript
51. rustwasm/book
52. bytecodealliance/wasmtime
53. microsoft/vscode-isort
54. kushaldas/pep582
55. beeware/liquid-demo
56. gleam-lang/otp
57. microsoft/TypeScript-wiki
58. jaraco/skeleton
59. microsoft/vscode-python-templates
60. python/pyperformance
61. buildout/buildout
62. conda/ceps
63. moby/mobywebsite
64. microsoft/sql-server-samples
65. dabeaz/ply
66. asyncio-docs/asyncio-doc
67. progit/progit2
68. aio-libs/aiohttp
69. wntrblm/nox
70. python-hyper/h2
71. kushaldas/pym
72. larryhastings/appeal
73. MicrosoftDocs/visualstudio-docs
74. MeeseeksBox/meeseeksbox.github.io
75. ponylang/pony-tutorial
76. microsoft/vscode-docker
77. pypa/flit
78. WebAssembly/wasi-sdk
79. gleam-lang/language-tour
80. beeware/beeware.github.io
81. microsoft/language-server-protocol
82. python/pythonineducation.org
83. matplotlib/matplotlib
84. python/python-docs-theme
85. bloodyowl/rescript-test
86. python/core-sprint
87. conda/conda
88. astral-sh/ruff
89. python/typing
90. fastapi/sqlmodel
91. Django
92. modelcontextprotocol/rust-sdk
93. facebook/pyre-check
94. pypi/warehouse
95. Enderchief/gleam-tools
96. jupyter/jupyter.github.io
97. pdm-project/pdm
98. beeware/briefcase
99. GraphQLGuide/book
100. Lukasa/language-restructuredtext
101. microsoftgraph/python-sample-pagination
102. starship/starship
103. bagder/http2-explained
104. microsoftgraph/microsoft-graph-docs-contrib
105. microsoft/debugpy
106. vega/ipyvega
107. MicrosoftDocs/azure-docs
108. lustre-labs/ui
109. WebAssembly/component-model
110. conda/conda-docs
111. regebro/supporting-python-3
112. devcontainers/features
113. casey/just
114. Quansight-Labs/free-threaded-compatibility
115. jupyterlab/jupyterlab
116. Azure/azure-functions-python-library
117. victor-o-silva/python-links-from-link-header
118. riverscuomo/new-albums
119. bitbldr/sprocket_docs
120. Homebrew/brew
121. PyCQA/pyflakes
122. gleam-lang/gleam
123. markshannon/faster-cpython
124. extism/extism
125. pyvideo/data
126. MagicStack/MagicPython
127. microsoft/python-sample-vscode-django-tutorial
128. luabud/hello-vscodespaces
129. livebook-dev/livebook
130. saschpe/mozilla-plugins
131. golang/go
132. vscode-restructuredtext/vscode-restructuredtext
133. devcontainers/images
134. nayafia/nayafia
135. riscv-software-src/riscv-tests
136. reubeno/brush
137. python/importlib_metadata
138. google/grumpy
139. astral-sh/uv
140. gitkraken/vscode-gitlens
141. twisted/klein
142. 11ty/11ty-website
143. jupyter-book/mystmd.org
144. microsoft/az-partner-center-cli
145. actions-rs/install
146. conda/conda-build
147. adafruit/Adafruit_CircuitPython_CircuitPlayground
148. ebkalderon/tower-lsp
149. brettcannon/character-frequency
150. pypa/build
151. pyca/pyopenssl
152. syl20bnr/spacemacs
153. pyvideo/old-pyvideo
154. okken/pytest-srcpaths
155. absurdia/absurdia-py
156. python/mypy
157. microsoft/PTVS
158. clearlydefined/website
159. rocketreach/rocketreach_python
160. Azure/azure-cli
161. google/yapf
162. pypa/trove-classifiers
163. topazproject/topaz
164. Devid-Ba/Text-adventure
165. pablogsal/cpython_leaderboard
166. scikit-learn/scikit-learn
167. microsoft/vscode-pylint
168. VSCodeVim/Vim
169. rust-lang/log
170. briandealwis/ferret
171. lpil/sqlight
172. gleam-lang/erlang
173. Azure/azure-cosmos-python
174. aurelia/documentation
175. w3c/ServiceWorker
176. getsentry/responses
177. pypa/setuptools-scm
178. dusty-phillips/macabre
179. psf/black
180. jupyter/notebook
181. kushaldas/asaman
182. pypa/pipx
183. cometkim/rescript-vitest
184. python/pythontestdotnet
185. rust-lang/rustfmt
186. psf/fundable-packaging-improvements
187. brettcannon/exercism-solutions
188. cardoe/stderrlog-rs
189. hynek/build-and-inspect-python-package
190. mozilla-services/konfig
191. chhantyal/py3readiness
192. ansible/ansible
193. score-spec/spec
194. stellar/new-docs
195. python-poetry/tomlkit
196. spotify/pedalboard
197. stellar-deprecated/docs
198. palantir/python-language-server
199. microsoft/vscode-tools-for-ai
200. ericpalakovichcarr/pytest-pythonpath
201. mesonbuild/meson
202. dotnet/aspire
203. microsoft/vscode-extension-samples
204. bungcip/better-toml
205. pytest-dev/pytest
206. sphinx-doc/sphinx
207. gleam-lang/website
208. realpython/python-guide
209. lorenzofox3/zora
210. diogonfs/pyinit
211. stellar/awesome-stellar
212. oauthlib/oauthlib
213. beeware/podium
214. pycascades/welcome-wagon-2018
215. Fyrd/caniuse
216. psf/webassembly
217. zwaldowski/match-label-action
218. PyPy
219. defusedexpat
220. expat
221. Mercurial
222. vim
223. smol
224. world

(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. Steve Dower (16)
10. Łukasz Langa (15)
11. Nathaniel J. Smith (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. Thomas Wouters (8)
23. Yury Selivanov (8)
24. Larry Hastings (8)
25. Christian Heimes (8)
26. Ivan Levkivskyi (8)
27. Pablo Galindo (8)
28. Ee Durbin (8)
29. William Woodruff (8)
30. Jeremy Hylton (7)
31. Moshe Zadka (7)
32. Benjamin Peterson (7)
33. Dustin Ingram (7)
34. Jelle Zijlstra (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. Zac Hatfield-Dodds (4)
67. Travis Oliphant (3)
68. Michel Pelletier (3)
69. Alex Martelli (3)
70. Michael Hudson (3)
71. Neal Norwitz (3)
72. Steven Bethard (3)
73. Armin Ronacher (3)
74. Carol Willing (3)
75. Eli Bendersky (3)
76. Eric V. Smith (3)
77. Steven D'Aprano (3)
78. Jeffrey Yasskin (3)
79. Batuhan Taskaya (3)
80. Filipe Laíns (3)
81. Erlend Egeberg Aasland (3)
82. James Hilton-Balfe (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. Dino Viehland (2)
130. Cory Benfield (2)
131. Marcel Plch (2)
132. Mario Corchero (2)
133. Geoffrey Thomas (2)
134. Maggie Moss (2)
135. Stéphane Bidoul (2)
136. Mark Mendoza (2)
137. Shannon Zhu (2)
138. Paul Ganssle (2)
139. Daniel F Moisset (2)
140. Tobias Kohn (2)
141. David Foster (2)
142. Tal Einat (2)
143. Adam Turner (2)
144. Steven Troxler (2)
145. Stan Ulbrych (2)
146. Erik De Bonte (2)
147. Germán Méndez Bravo (2)
148. Sam Gross (2)
149. Jaime Rodríguez-Guerra (2)
150. Savannah Ostrowski (2)
151. Michael Sarahan (2)
152. Hood Chatham (2)
153. Daniel Stutzbach (2)
154. Joe Carey (2)
155. Martijn Faassen (1)
156. The Python core team and community (1)
157. Paul Barrett (1)
158. Peter Schneider-Kamp (1)
159. Huaiyu Zhu (1)
160. Gregory Lielens (1)
161. Paul F. Dubois (1)
162. Sean Reifschneider (1)
163. Grant Griffin (1)
164. Jonathan Riehl (1)
165. Jason Petrone (1)
166. Frédéric B. Giacometti (1)
167. James C. Ahlstrom (1)
168. Jim Althoff (1)
169. Neil Hodgson (1)
170. Trent Mick (1)
171. David Eppstein (1)
172. Walter Dörwald (1)
173. Oren Tirosh (1)
174. Stepan Koltsov (1)
175. Scott Gilbert (1)
176. Thomas Heller (1)
177. Jeff Epler (1)
178. Just van Rossum (1)
179. Thomas Bellman (1)
180. Kevin Altis (1)
181. Dave Cole (1)
182. Andrew McNamara (1)
183. Cliff Wells (1)
184. Jack Diederich (1)
185. Peter Harris (1)
186. Roman Suzi (1)
187. Mike Meyer (1)
188. W Isaac Carroll (1)
189. Terence Way (1)
190. Steven Taschuk (1)
191. Kevin D. Smith (1)
192. Peter Astrand (1)
193. Samuele Pedroni (1)
194. Christian R. Reis (1)
195. Andrew McClelland (1)
196. Michael P. Dubner (1)
197. Micah Elliott (1)
198. Björn Lindqvist (1)
199. Jiwon Seo (1)
200. Ben North (1)
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