Hugo van Kemenade @hugovk.dev Python 3.14 & 3.15 release manager, core developer, Sovereign Tech Fellow, PSF Fellow, open-source maintainer, PEP editor, NaNoGenMo organiser, winter bicycler
Łukasz Langa @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.
Ned Batchelder @nedbat.com Python, Boston, mathy fun, juggling, autism parenting. https://nedbat.com
Hynek Schlawack @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
Kushal Das @kushaldas.se Public Interest Technologist. CPython core developer. PSF fellow and director. Tor Project core team member. Digital security trainer.
Pablo Galindo Salgado @pablogsal.com I program the programming program that other programmers use to program programs. Python Steering Council and core developer. Python 3.10/3.11 release manager. Deals with black holes and parsers. Attracts linker problems.
Thomas Wouters @yhg1s.bsky.social Cat owner, Release Manager for Python 3.12 and 3.13, Meta employee, Python Steering Council member. (He/him or they/them.) Primarily on Mastodon: @Yhg1s@social.coop.
Yury Selivanov @1st1.dev Co-founder & CEO of Gel • Python core developer • PSF fellow • async/await • asyncio • uvloop • asyncpg ••• @geldata.com • github.com/1st1
Brett Cannon @snarky.ca #Python core developer who also works on packaging; works on Python stuff at #Microsoft (although this is a personal account). Proudly #Canadian.
Pradyun Gedam @pradyunsg.me he/him. Probably trying to make refined sand do something useful.
Wearer of many hats in OSS spaces: CPython, pip, packaging, TOML, Furo, Sphinx extensions, Executable Books and more.
Emily Morehouse-Valcarcel @emilyemorehouse.bsky.social 
Alex Waygood @alexwaygood.bsky.social Software dev at OpenAI (formerly Astral) 🦀. Sometimes do freelance journalism: Guardian, Telegraph, openDemocracy. Python core dev in my spare time 🐍. Studied 🎶 a while back.
Laíns ⚡🌈🇵🇸 @missingclara.bsky.social they/them • python core dev • archlinux packager • PSF D&I and User Success WG • electro-metrology, semiconductor manufacturing, and nuclear physics enthusiast
Donghee Na @corona10.bsky.social - ML Infrastructure SWE @ Karrot (당근)
- Python Steering Council and Core dev
Opinions are my own not my employer: https://github.dongheena.com
Mariatta @mariatta.ca Python Core Developer. F"Yes!" 🐍🇨🇦
#PyPodcats
#PyCon US Chair 2023-2024.
PSF Fellow Member & Community Service Award recipient.
Keynote speaker.
Foodie. Traveler. Picky eater.
Opinions are mine.
#Python #PyLadies #kdrama
Batuhan Taskaya @isidentical.bsky.social Hopeless TV critic, Python Core Developer, and a bunch of other boring stuff. 
Andrew Kuchling @akuchling.dmv.community.ap.brid.gy #Python & SQL #developer at a healthcare startup in #WashingtonDC. Former core #Python developer.
Lives in #Bowie, #Maryland.
Reader of #books; player of […]
[bridged from https://dmv.community/@akuchling on the fediverse by https://fed.brid.gy/ ]
Carol Willing @willingc.bsky.social Python is forever🐍
Donald Stufft @dstufft.dev pip // PyPI // Python // cryptography
I am perpetually caremad.
I care a lot about security.
Agitator and professional rabble rouser
Savannah Ostrowski @savannah.dev Python 3.16 & 3.17 Release Manager. Python Steering Council. Python Core Developer. Building @fastapicloud.com. Likes compilers, open source, film, physical computing + cats.
savannah.dev
github.com/savannahostrowski
@coredispatch.xyz
Russell Keith-Magee @freakboy3742.bsky.social Not really here. Just ensuring that my handle isn't squatted.
Irit Katriel @iritkatriel.bsky.social CPython Core Dev. Views are my own.
Victor Stinner @vstinner.bsky.social Maintain Python upstream (http://python.org) and downstream (RHEL and Fedora) for Red Hat. Python core developer.
Barry Warsaw @pumpichank.bsky.social 
Paul Moore @pfmoore.bsky.social Python core developer, pip maintainer, gamer (board and video), occasional guitarist
Shantanu @hauntsaninja.bsky.social @OpenAI since 2020. CPython core dev, making Python typing better
hauntsaninja.github.io
@jhylton.bsky.social @jhylton.bsky.social 
CF Bolz-Tereick @cfbolz.bsky.social PyPy/RPython contributor. Half time teaching at Uni Düsseldorf. Works on dynamic language implementations. Love street art and art in public spaces, hiking, reading.
they/them
Chris Withers @chris.withers.org Python, music, bit of BBQ and things…
Skrub @skrub-data.bsky.social skrub is a Python library to ease preprocessing and feature engineering for tabular machine learning.
Our long-term goal is to directly connect database tables to machine learning estimators.
https://skrub-data.org
https://discord.gg/ABaPnm7fDC
matplotlib @matplotlib.org Python library for creating static, animated, & interactive visualizations. Chat w/ us @ https://discourse.matplotlib.org/
Sponsored by NumFocus
PyData London @pydatalondon.bsky.social https://london.pydata.org
We run a monthly meetup and host the annual PyData London conference. PyData is an educational program of NumFOCUS, helping our community share ideas and learn from each other.
https://www.meetup.com/PyData-London-Meetup/
PyData Madrid @pydatamadrid.masto.ai.ap.brid.gy Meetup de la comunidad PyData en Madrid. ¡Únete!
Toots por @astrojuanlu
[bridged from https://masto.ai/@pydatamadrid on the fediverse by https://fed.brid.gy/ ]
PyData Southampton @pydatasoton.bsky.social https://www.meetup.com/pydata-southampton
Southampton, UK chapter of PyData
DuckDB @duckdb.org DuckDB is an analytical in-process SQL database management system. "DuckDB" and the DuckDB logo are registered trademarks of the DuckDB Foundation.- N NumPy @numpy.bsky.social
Python4DataScience @python4data.science Teaching materials for the cusy training courses on a Python-based data science workflow: https://cusy.io/seminars
PyMC Labs @pymc-labs.bsky.social The Bayesian AI Consultancy • Using PyMC to solve your most challenging data science problems • http://pymc-labs.com
Data Science Learning Community @dslc.io Our mission: To provide tools and resources to foster a diverse, friendly, and inclusive community of data science learners and practitioners. Join us at https://dslc.io
@stumpy-dev.bsky.social @stumpy-dev.bsky.social 
Prefect @prefect.io Modern workflow orchestration for data and ML engineers.
Website: https://prefect.io
Code: https://github.com/prefecthq/prefect
Slack: https://prefect.io/slack
Plotly @plotly.com Plotly builds data visualization tools and platforms for analysts, engineers, scientists, and coding agents you work with.- C CuPy @cupy.bsky.social NumPy & SciPy for GPU.
🌐 https://cupy.dev/
🛠️ https://github.com/cupy/cupy
Galaxy Project @galaxyproject.bsky.social The Galaxy Project powers global life sciences analytics by turning the world’s most advanced cyberinfrastructure into a free, browser-based analysis platform for everyone. https://galaxyproject.org/
PyMC @pymc.io Probabilistic Programming and Bayesian Modeling in Python
ArviZ @arviz.bsky.social Official account for the ArviZ project. We provide #FOSS tools for exploratory analysis of #Bayesian models in #Python and #JuliaLang
www.arviz.org
2i2c @2i2c.org A non-profit dedicated to helping communities create and share knowledge with open infrastructure for interactive computing. We work in the open, follow along with our blog here 👉 https://2i2c.org/blog
Compute! Paris @computeparis.bsky.social 🇫🇷 The Compute! Paris conference.
November 25-26 2026 • Sorbonne Université
Real Python @realpython.com Online #Python Training & Expert Community: Tutorials, Video Courses, Books, Quizzes...and More! Join 1M+ Pythonistas at http://realpython.com
SciPy Conference 2026 @scipyconf.bsky.social SciPy 2026 Conference for Scientific and Technical Computing topics in Python. Tutorials July 13-14, Conference July 15-17, Sprints July 18-19.
PyData Madrid @madrid.pydata.org Encuentros mensuales sobre datos e IA en Madrid
NetworkX @networkx.bsky.social Python package for the creation, manipulation, and study of the structure, dynamics, and functions of complex networks.
conda-forge @conda-forge.org A community led collection of recipes, build infrastructure and distributions for the conda package manager.
https://conda-forge.org
conda @conda.org conda is a multi-platform and language-agnostic open source package management and environment management ecosystem.
⇒ https://fosstodon.org/@conda
⇒ https://conda.org/
Data Umbrella @dataumbrella.org ◈ community
◈ data science & open source
◈ videos: https://youtube.com/@dataumbrella
◈ events: https://meetup.com/data-umbrella
◈ news: dataumbrella.substack.com/
MyST Markdown @mystmd.org Markdown with superpowers for writing scientific 👨🔬 and technical 📈papers. #OpenSource & maintained by Project #Jupyter.
@pydata-milan.bsky.social @pydata-milan.bsky.social 
Python Software Foundation @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
Dask @dask.org Dask natively scales Python
Dask provides advanced parallelism for analytics, enabling performance at scale for the tools you love
https://dask.org
PyData Global @pydata.bsky.social The PyData Global Conference is where users, contributors, and newcomers can share experiences to learn from one another and grow together. Want to meet the community? Join our Discord!
https://discord.gg/CjspHbE9xe
Polars @pola.rs Dataframes powered by a multithreaded, vectorized query engine, written in Rust.
PyData Prague @pydataprague.bsky.social A chapter of PyData in the beatiful city of Prague. http://pydata.cz
Roger L. Cauvin @rcauvin.bsky.social ♟️ #prodmgmt | Positioning | Strategy
👨🔬 Consumer Science | ML | AI
🏢 Downtown Austin dweller
🏘️ Advocate for inclusive neighborhoods
jeffcarp @jeffcarp.bsky.social 🌉 Running, biking, and drinking coffee around SF
🧑💻 ML at Goog, prev. Waymo, fintech, NPR
🐺 Social media manager for @noonathehusky
https://www.jeffcarp.com
The Fish Knows @thefishknows.bsky.social Citizen of Belgium, of Antwerp even, family man with a twist.
Software Engineer , specialised in software development .
And i guess in AI.
Mat Kelcey @matpalm.com data nerd wannabe
https://matpalm.com/
Gus @gusthema.bsky.social Gemma Product Manager @google DeepMind
- Gemma 💎
- Google AI ⚙️🧠- S @sumanas.bsky.social @sumanas.bsky.social CTO at Captur.ai, Engineer
Samaneh Saadat @samanehs.bsky.social ML SWE @Google
Divyashree Sreepathihalli @divyasreepat.bsky.social Google | KerasHub and Keras maintainer | Keynote speaker | GHC Speaker | WIML 22 & 23 speaker | Kilimanjaro, Fuji and Whitney summiter |
@sampathweb.bsky.social @sampathweb.bsky.social 
Luciano Martins @lmm.ai Brazilian, ML Software Engineer at Google DeepMind -- opinions are my own.
@mattdangerw.bsky.social @mattdangerw.bsky.social 
Martin Görner @martin-gorner.bsky.social AI/ML engineer. Previously at Google: Product Manager for Keras and TensorFlow and developer advocate on TPUs. Passionate about democratizing Machine Learning.
Tomasz Kalinowski @t-kalinowski.bsky.social Software Engineer at Posit PBC.
I mostly post about R, Python, and Deep Learning.
Github: https://github.com/t-kalinowski
Robert Smallshire @robert.smallshire.no Founding Tubetrain 🚀. Building Demonstrable® at Sixty North. Director for lithium explorer Transition Elements. "utterly competent". Geoscience PhD. 330 ppm CO₂. Cyclist 🚴♂️ . Caver. 🇳🇴🇬🇧
L Ramalho 🍉 @ramalho.org Author of Fluent Python. Co-founder of Garoa Hacker Clube. H0 train operator.
Al Sweigart @alsweigart.bsky.social Author of "Automate the Boring Stuff with Python" and other books. Mostly harmless. Last name rhymes with "why dirt." he/him
Allen Downey @allendowney.bsky.social Former professor at Olin College, principal data scientist at PyMC Labs, author of Think Python, and Probably Overthinking It -- blog and book -- and stark raving Bayesian.
Eric Matthes @ehmatthes.bsky.social Programmer, writer, teacher... I also like the outdoors. :)
I write a weekly Python newsletter, at www.mostlypython.com. I'm also the author of Python Crash Course, from No Starch Press.
Daniel Roy Greenfeld @daniel.feldroy.com Writes at daniel.feldroy.com
Use to work for NASA and kraken.tech 🌎
Co-Author of Two Scoops of Django 📚
Husband of Audrey Roy Greenfeld https://bsky.app/profile/audreyfeldroy.bsky.social 🍪
Father of Uma 🧸
Audrey M. Roy Greenfeld @audrey.feldroy.com Coder, artist, writer. MIT EECS 05. Writing a new FastAPI-powered web framework. Co-author of Two Scoops of Django and a forthcoming new book. Core committer to @daniel.feldroy.com 💘 and mom of Uma. Wrote Cookiecutter. she/her- D Doug Hellmann @doughellmann.bsky.social Developer and author. doughellmann.com
Jake VanderPlas @jakevdp.bsky.social Write code. Mostly Python.
Noah Gift @noahgift.com EU + Valencia, Spain
Founder of Pragmatic AI Labs: paiml.com
5x O'Reilly Author: https://www.oreilly.com/pub/au/3039
Adjunct - Northwestern/Duke/Berkeley/Davis/UNC
Interests: Books/Critical Thinking/Global Citizen
Matt Harrison @dunder-matt.bsky.social Python and data corporate trainer, author, ...
jacobian @jacobian.org django, security, eng management, basketball shitposting.
web: jacobian.org
signal: jacobian.01
Andrew Pinkham @jambonrose.bsky.social 
Aidas Bendoraitis @archatas.bsky.social Life explorer, creator, writer, software developer, dad of 2.
Founder of http://1st-things-1st.com
Curator at http://djangotricks.com
Jeff Forcier @bitprophet.bsky.social Only partly here; see https://social.coop/@bitprophet for my main, which is also accessible via Bridgy Fed here on bsky: https://bsky.app/profile/bitprophet.social.coop.ap.brid.gy
Miguel Grinberg @miguelgrinberg.com I write software. And from time to time, I write or speak about writing software.
Christopher Bailey @digiglean.bsky.social Host of Real Python Podcast - Guitars, Dogs, Photography, Movies, Creativity - Python Software Foundation Fellow
Christian Hill @scipython.bsky.social Physicist and Physical Chemist. Author of Learning Scientific Programming with Python and Python for Chemists: https://scipython.com and https://scipython.com/chem/
Harry Percival @hjwp.bsky.social Programming, tdd, aliens quotes. But this is a placeholder account. Follow me at https://fosstodon.org/@hjwp or https://bsky.app/profile/hjwp.fosstodon.org.ap.brid.gy
See also https://www.obeythetestinggoat.com and https://www.cosmicpython.com
Emily Bache @emilybache.com Software Developer, Technical Coach, YouTuber. She/her.
emilybache.com
Adrienne Braganza Tacke @abt.bsky.social Author of LGTM: Constructive Code Reviews📘manning.com/books/looks-good-to-me • LinkedIn [In]structor ☁️ • Always down for 🍰 • Speaking all ova tha worllld 🎤
Austin Bingham @austin-bingham.bsky.social Programmer, trainer, and author. Technical director at Sixty North, and busy launching Tubetrain. Enthusiastically amateur classical guitarist; absolutely clichéd middle-aged garage band guitarist. And I have a dog.
Stephen Gruppetta @stephengruppetta.com Constantly looking for simple ways to explain complex things…
Here you'll find:
• Python
• Narrative Technical Writing
• Track & Field Athletics
Links in the pinned post below
stephengruppetta.com