Python Open-Source maintainers
A list of active maintainers of Python open-source packages. Let me know if you'd like to nominate yourself or anyone else to be on this list - a Github handle to verify would be useful.
Created by
@oxykodit.bsky.social
@fastapi.tiangolo.com
FastAPI framework, high performance, easy to learn, fast to code, ready for production. 🚀 Web APIs with Python type hints. 🐍 By @tiangolo.com 🤓 GitHub: https://github.com/fastapi/fastapi Web: https://fastapi.tiangolo.com/
@rasulkireev.com
engineer @readwise.bsky.social + 🐍 @builtwithdjango.com 🚨 gettjalerts.com 🤺 gettalentleads.com 🦁 levreview.com 🥓 isitketo.org 🖌️ osig.app 🐔 statushen.com 💻 seoblogbot.com
@philippjfr.bsky.social
🐍Principal Software Engineer @ Anaconda ⚡Creator of Panel, Lumen AI, hvPlot & Bokeh Maintainer 🏛️ Social Democrat & Anti-Fascist
@sgoel.dev
Software Developer • Open-source Maintainer • Indie Builder 🚀 https://saasbotkit.com 📚 https://personalfinancespython.com 💸 https://awesome-beancount.com 📍 Munich Area, Germany
@alternatebuild.dev
yooper → umich (chemEng/physics) → chicago i build open-source dev tools @prefect.io and atproto-curious ። blog.alternatebuild.dev » github.com/zzstoatzz
@jameslamb.bsky.social
I ❤️ open source. Working on LightGBM and RAPIDS. Keep Chicago out your mouth. he/him. This is me: https://github.com/jameslamb
@foosel.net
Passionate code monkey 🐒 Geek 👩💻 Gamer 🎮 Bouldering apprentice 🧗♀️ Problem solver 💡 Creator & maintainer of @octoprint.org 🐙 GitHub Star 🌟 PSF Fellow 🐍 📍 Frankfurt, Germany 🗣️ 🇩🇪 🇬🇧 🙋♀️ she/her 🌍 https://foosel.net
@numpy.bsky.social
@python.org
The nonprofit organization behind the Python programming language. For help with Python code: http://python.org/about/help/ On Mastodon: @ThePSF@fosstodon.org
@adamj.eu
🐴 @djangoproject.com blogger and contributor ✍️ Author of three books on Django and Git 🍕 Django London co-organizer 🇬🇧 London / 🇵🇹 Lisbon
@frenck.social
A Human. Being. Him/He. Dad. Open Sourcerer. GitHub Star 🌟 #HomeAssistant lead engineer. Passionate. Dedicated. Motto: Make a positive difference every single day. Be the change ❤
@lukasz.langa.pl
CPython Developer in Residence, Python 3.8 and 3.9 release manager. Gradual typing enthusiast, asynchronous programming proponent, creator of the auto-formatter Black. He produces electronic music, which includes software and hardware of his own making.
@1st1.dev
Co-founder & CEO of Gel • Python core developer • PSF fellow • async/await • asyncio • uvloop • asyncpg ••• @geldata.com • github.com/1st1
@henryiii.bsky.social
Princeton RSE. Scikit-HEP, Scikit-build, PyPA/build, PyPA/cibuildwheel, pybind11, CLI11, & plumbum. Also on @henryiii@fosstodon.org and @henryschreiner3 (X).
@quentin.pradet.me
I like maintaining things: the Elasticsearch Python clients by day, urllib3 and trustme by night. I write about #Python, HTTP, async/await, open source and performance! he/him
@mitsuhiko.at
Creator of Flask • sentry.io ♥︎ API design, writing and giving talks • Choses Python and Rust • Excited about AI • Husband and father of three • Inhabits Vienna; Liberal Spirit • “more nuanced in person” More stuff: https://mitsuhiko.at/
@gjbernat.bsky.social
Senior Software engineer @Bloomberg (from 🇭🇺🇷🇴🇬🇧), living in Los Angeles 🇺🇸 @ThePsf fellow. Maintainer of many - http://bernat.tech/about (tox, virtualenv,...) Python packages. Opinions my own.
@iamrami.bsky.social
Open source developer and content creator ✨ Simplifying data analysis and visualization 🚀 Try it out: http://dataline.app 🚀
@davidhewitt.bsky.social
Developing PyO3 to bring Rust 🦀 and Python 🐍 together. Working with the team at Pydantic to build software that developers love.
@sa.muelcolvin.com
Building Pydantic Logfire - uncomplicated observability for Python. Sequoia Scout.
@terrytangyuan.xyz
Senior Principal Software Engineer at Red Hat AI | Open Source Leader at Argo, Kubeflow, @kubernetes.io Serving | Maintainer of KServe, XGBoost, TensorFlow | Keynote Speaker | Author | Technical Advisor More info: http://terrytangyuan.xyz We are hiring!
@pchalasani.bsky.social
Building Langroid - harness LLMs with Multi-Agent programming. https://github.com/langroid/langroid IIT KGP CS, CMU/PhD/ML. Adjunct Prof/AI @ CMU/Tepper & UPitt. Ex- Los Alamos, Goldman Sachs, Yahoo, MediaMath.
@webknjaz.me
https://savelife.in.ua/en Rabbit hole explorer. Pythonista. Serial #FOSS maintainer: @aiohttp.org, ansible-core (RH), CherryPy, pypi-publish (PyPA). 💘💍 @bluebirrrrd.bsky.social 🗣️🇺🇦🇺🇸 🤏🇨🇿🇪🇸 https://github.com/sponsors/webknjaz #opensource #укрблу #укртві :wq
@sethmlarson.dev
Security and Fellow, Python Software Foundation 🐍 Minnesoootan, he/him, #Python, #opensource, #security 🌐 https://sethmlarson.dev
@savannah.dev
Building for builders. Python Core Developer, maintaining the JIT + argparse. Python + Notebooks at Snowflake. Jupyter Foundation Governing Board. Loves containers, compilers, open source software + cats. Brat. savannah.dev github.com/savannahostrowski
@ixek.bsky.social
Director Quansight Labs ✨ MLOps, OSS, Research Software Engineering 🚀 GDE - ML @ Google | PSF fellow and vice-chair of the board of directors Pyladies Global Council 🌱 Disability justice activist, feminist, neurodivergent, developer
@hynek.me
Pythonista & PSF fellow 🐍🏆, Gopher 🐹, blogger 📝, speaker 📢, YouTuber 📺. ❤️ nuance & outcomes, 🗣️🇨🇿🇩🇪🇺🇸 • https://hynek.me/ • https://github.com/hynek • https://www.youtube.com/@The_Hynek • https://mastodon.social/@hynek • https://x.com/hynek
@hamel.bsky.social
Building something new 👉 http://nbdev.fast.ai Ex Github, Airbnb, DataRobot. ML / Data Tooling & OSS
@vickiboykis.com
ML Engineering. LLMs 😬. Information retrieval. Infra. Systems. Normcore code. Nutella. Vectors. Words. Vibes. Bad puns (soon). https://vickiboykis.com/what_are_embeddings/
@explosion.ai
We specialize in developer tools & tailored solutions for AI & NLP. Makers of spacy.io and prodi.gy. 🌎 explosion.ai 💼 linkedin.com/company/explosion-ai 🐘 sigmoid.social/@explosion 📺 youtube.com/c/ExplosionAI
@tomaarsen.com
Sentence Transformers, SetFit & NLTK maintainer Machine Learning Engineer at 🤗 Hugging Face
@koaning.bsky.social
Prefer common sense over hype. Employed at @marimo.io, building calmcode.io and dearme.email. Also blogs over at https://koaning.io.
@alexwaygood.bsky.social
Software dev at Astral 🦀. Sometimes do freelance journalism: Guardian, Telegraph, openDemocracy. Python core dev in my spare time 🐍. Studied 🎶 a while back.
@crmarsh.com
Building Astral: Ruff, uv, and other high-performance Python tools, written in Rust.
@johnonolan.bsky.social
Founder/CEO at @Ghost.org - Geographically restless. Mostly posting about publishing, media, open source, JavaScript, Laravel, bootstrapping, SaaS, activitypub, and design.
@tannerlinsley.com
⚔️ Sir Tan @TanStack.com 🎉 TypeScript 🌎 Web ⚛️Open Source Software💡UI/UX/DX 💼Co-Founder @NozzleIO 👨👩👧👦@Ch_JesusChrist
@simonwillison.net
Independent AI researcher, creator of datasette.io and llm.datasette.io, building open source tools for data journalism, writing about a lot of stuff at https://simonwillison.net/
@howard.fm
https://Answer.AI & https://fast.ai founding CEO; previous: hon professor @ UQ; leader of masks4all; founding CEO Enlitic; founding president Kaggle; various other stuff…
@merve.bsky.social
proud mediterrenean 🧿 open-sourceress at hugging face 🤗 multimodality, zero-shot vision, vision language models, transformers
@tkdodo.eu
⚛️ Maintaining TanStack Query 🔮 https://query.gg 👨💻 Software Engineer @sentry.io 📚 Blog at https://tkdodo.eu 🇦🇹 Vienna, Austria 👧👦 Father of two
@filrakow.ski
Co-founder/CTO alokai.com (prev. Vue Storefront) • storefrontui.io • machalliance.org Tech Council • YC Alumni • Vue, Nuxt, Webperf, Devtools, DX, Open Source, eCommerce, sometimes Astro and AI
@massicotte.org
apple platform dev, outdoors, justice, games, he/him Every problem has a simple wrong answer https://github.com/mattmassicotte https://www.massicotte.org https://mastodon.social/@mattiem
@honnibal.bsky.social
Computational linguist from Sydney and Berlin. Author of the spacy.io NLP tools Founder and CTO @explosion.ai LinkedIn: linkedin.com/in/honnibal Blog: honnibal.dev
@inesmontani.bsky.social
💥 Founder & CEO @explosion.ai 👩💻 Developing spacy.io & prodi.gy 🐍 Python Software Foundation Fellow 🧠 AI, Machine Learning & NLP 💼 linkedin.com/in/inesmontani 🐘 sigmoid.social/@ines 💥 explosion.ai 🌎 ines.io
@gaelvaroquaux.bsky.social
Research & code: Research director @inria ►Data, Health, & Computer science ►Python coder, (co)founder of scikit-learn, joblib, & @probabl.bsky.social ►Sometimes does art photography ►Physics PhD
@ogrisel.bsky.social
Software engineer at probabl, scikit-learn contributor. Also at: https://sigmoid.social/@ogrisel https://github.com/ogrisel
@marcelotryle.bsky.social
The FastAPI Expert Starlette & Uvicorn maintainer 🇧🇷🇮🇹🇺🇾
@muellerzr.bsky.social
Technical Lead on Accelerate @ Hugging Face | Passionate about Open Source | https://muellerzr.github.io
@danieldk.eu
Machine Learning, Natural Language Processing, LLM, transformers, macOS, NixOS, Rust, C++, Python, Cycling. Working on inference at Hugging Face 🤗. Open source ML 🚀.
@markneumann.xyz
Head of ML at Orbital Materials. BC: Research/Eng at Allen Institute for AI. markneumann.xyz
@daking.bsky.social
Machine Learning Engineer @databricks via @mosaicml | previously @allen_ai @semanticscholar | @harveymudd | he/him | Black lives matter.
@tiangolo.com
Creator of @fastapi.tiangolo.com, Typer, SQLModel, Asyncer, etc. 🚀 From 🇨🇴 in 🇩🇪 . Open Source, APIs, and tools for data/ML. 🤖
@willmcgugan.bsky.social
CEO / Founder of https://textualize.io Hyperborean Python expert, author, humanist, husband, sometimes wildlife photographer. Carbonara aficionado. He/him.
@oxykodit.bsky.social
I'm a software developer, open-source maintainer and NLP engineer. I love data, coding, testing, developing ML models and getting sh*t done. Through my one-woman company OxyKodit, I implement tailored NLP solutions for any domain: https://oxykodit.com