@dev.zilahi.fi @dev.zilahi.fi Working in the edge-cutting VR/XR industry, leading teams to success. Also, living in Finland, and enjoying it.
Engineering Lead @ Varjo, Helsinki
also at @richie.zilahi.fi, and I am behind bettertori.fi too.
Gergely Orosz @gergely.pragmaticengineer.com Writing The Pragmatic Engineer (@pragmaticengineer.com), the #1 technology newsletter on Substack. Author of The Software Engineer's Guidebook (engguidebook.com). Formerly at Uber, Skype, Skyscanner. More at pragmaticengineer.com
dax @thdxr.com building opencode.ai
William Woodruff (1.3.6.1.4.1.55738) @yossarian.net skeeting in accordance with the universal law.
yossarian.net / blog.yossarian.net
Martin Jaggi @mjaggi.bsky.social Prof at EPFL
AI • Climbing
Richard Iannone @richmeister.bsky.social Currently doing a lot of #rstats and #python package development. Software engineer at @posit.co.- T Thomas Dietterich @tdietterich.bsky.social Safe and robust AI/ML, computational sustainability. Former President AAAI and IMLS. Distinguished Professor Emeritus, Oregon State University. https://web.engr.oregonstate.edu/~tgd/
Visual Studio Code @vscode.dev The open source AI code editor
konsti @konstin.bsky.social cat in your python packages • he/him
Quansight @quansight.com Forging the bridge between enterprise innovation and open source sustainability.
EUMETSAT @eumetsat.int European operational #satellite agency for monitoring weather, #climate and the environment from #space 🛰
eumetsat.int
Sebastian Raschka (rasbt) @rasbt.bsky.social ML/AI researcher & former stats professor turned LLM research engineer. Author of "Build a Large Language Model From Scratch" (https://amzn.to/4fqvn0D) & reasoning (https://mng.bz/Nwr7).
Also blogging about AI research at magazine.sebastianraschka.com.
Copernicus ECMWF @copernicusecmwf.bsky.social The #CopernicusClimate Change Service (#C3S) & #CopernicusAtmosphere Monitoring Service (CAMS), implemented by @ecmwf.int on behalf of the @ec.europa.eu.
Jesse Vincent @s.ly Doing AI stuff at Prime Radiant. Past lives include: keyboard.io, VaccinateCA, K-9 Mail, Request Tracker & Perl.
I can usually be found in #Berkeley
jesse@fsck.com
jesse@primeradiant.com
@jesse@metasocial.com
was @obra on Twitter
Claus Wilke @clauswilke.com Computational biologist, data scientist, occasional blogger | https://blog.genesmindsmachines.com/ | https://clauswilke.com/ | Opinions are my own and do not represent UT Austin.
Backloggd @backloggd.com Official Bluesky account for the Backloggd website!
https://www.backloggd.com/
GitHub @github.com The AI-powered developer platform to build, scale, and deliver secure software.
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.
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
Jay Alammar @jayalammar.bsky.social Writer http://jalammar.github.io. O'Reilly Author http://LLM-book.com. LLM Builder Cohere.com.
Luz Frias @koldlight.bsky.social CTO @ Circiter. Hacemos ciencia de datos sin humo.
Hablo de tecnología y datos.
Abubakar Abid @abidlabs.hf.co Democratizing machine learning through Gradio, acquired by Hugging Face 🤗
Arthur Mensch @arthurmensch.bsky.social Co-founder and CEO, Mistral AI
Ignacio Arriaga @ignacioarriaga.com Hablo sobre cómo vender software aquí: https://disaaster.io - Cofundador en Acumbamail
David Cramer @handle.invalid the most authentic person you know
@sentry.io @syntax.fm @peated.com
Yann LeCun @yann-lecun.bsky.social Professor a NYU; Executive Chairman at AMI Labs..
Researcher in AI, Machine Learning, Robotics, etc.
ACM Turing Award Laureate.
http://yann.lecun.com
Yann Lechelle @ylechelle.bsky.social Cofounding Executive President and Chairman at probabl.ai, the @scikit-learn.org company. Tech exec, repeat entrepreneur, advisor, angel investor. MBA @INSEAD. Plays 🏀
Carol Willing @willingc.bsky.social Python is forever🐍
James Konrad Tauber @jtauber.com Using computers to better understand languages, texts, and music.
Web, Python (PSF Fellow), AI/ML, DH, Corpus Linguistics, Narratology, Bayes, Philology, Ancient Greek, Music Theory, Tolkien, Retro Computing, Space.
PhD candidate @dhssfau.bsky.social
Calvin Hendryx-Parker @calvinhp.com AWS Community Hero | Python, Django, Orchestration & Containers | CTO and Founder | IndyPy & IndyAWS | FreeBSD, Linux & ZFS
Philipp Rüdiger @philippjfr.bsky.social 🐍Principal Software Engineer @ Anaconda
⚡Creator of Panel, Lumen AI, hvPlot & Bokeh Maintainer
🏛️ Social Democrat & Anti-Fascist
Christopher Trudeau @trudeau.dev Co-Host The Real Python Podcast. Author of Django In Action. Fractional CTO. Komodo dragon wrestler. Profile perjurer.
Stefanie Molin @stefaniemolin.com Author of Hands-On Data Analysis with #Pandas. Full-stack software engineer, international speaker, and open source contributor. Opinions are my own.
stefaniemolin.com
Rodrigo Girão Serrão 🐍🚀 @mathspp.com I'll help you take your Python skills to the next level!
Python deep dive every Monday 🐍🚀 -> https://mathspp.com/insider
Short daily drop of Python knowledge 🐍💧 -> https://mathspp.com/drops
Vincent D. Warmerdam @koaning.bsky.social Prefer common sense over hype. Employed at @marimo.io, known for calmcode.io and koaning.io. Also working on remember.cards these days.
Sebastián Ramírez @tiangolo.com Creator of @fastapi.tiangolo.com, Typer, SQLModel, Asyncer, etc 🚀
From 🇨🇴 in 🇩🇪
Open Source, APIs, and tools for data/ML 🤖
Building @fastapicloud.com ⚡️
Jake VanderPlas @jakevdp.bsky.social Write code. Mostly Python.
David Lord @davidism.bsky.social Lead maintainer of Flask, Jinja, Click, and others on Pallets. Python Software Foundation @python.org Fellow. he/they
https://davidism.com
https://github.com/davidism
https://mas.to/@davidism
Jacob Coffee @scriptr.dev Director, Engineering @ The PSF (thoughts my own)
@pypi.org, @pycon.us, @python.org, all the fun Python things
- Helping maintain @Litestar.dev, r/Python, and other fun things
- Serial starter of unfinished projects
- Foodie
Marlene @marlene.bsky.social Pythonista, explorer living in London atm, AI & Python at Microsoft🐍✝️✨
Michael Kennedy @mkennedy.codes Python enthusiast and entrepreneur. Host of @talkpython.fm and @pythonbytes.fm podcasts, founder of Talk Python Training (https://talkpython.fm/courses). Python Software Foundation Fellow. Writing at https://mkennedy.codes Based in Portland, OR, USA.
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.
Chris Holdgraf @choldgraf.com Executive Director of @2i2c.org
🪐 Jupyter Project distinguished contributor
👬 mybinder.org and hub.jupyter.org team
📚 jupyterbook.org mystmd.org and executablebooks.org
open communities 🙌
open infrastructure 💻
open science 🧪
Lynn Root @roguelynn.com Staff Engineer / ML infra @ Spotify. Adjunct Professor @ Columbia. Chair of PyLadies Global Council. PSF and DSF member.
• roguelynn.com
• mastodon.online/@roguelynn
Kushal Das @kushaldas.se Public Interest Technologist. CPython core developer. PSF fellow and director. Tor Project core team member. Digital security trainer.
Emma @emmatyping.dev Python Core Dev & Rust for CPython co-lead. mypy core team. Former quantum compiler engineer, now at NVIDIA working on Python & packaging. Opinions my own.
🏳️⚧️
https://emmatyping.dev
Masto: @emmatyping@hachyderm.io
Profile pic by Caleb Rippetoe
she/her
Samuel Colvin @sa.muelcolvin.com Building Pydantic Logfire - uncomplicated observability for Python. Sequoia Scout.
Bernát Gábor @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.
Will McGugan @willmcgugan.bsky.social CEO / Founder of https://textualize.io Hyperborean Python expert, author, humanist, husband, sometimes wildlife photographer. Carbonara aficionado. He/him. 
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
Yury Selivanov @1st1.dev Co-founder & CEO of Gel • Python core developer • PSF fellow • async/await • asyncio • uvloop • asyncpg ••• @geldata.com • github.com/1st1
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
Python Package Index @pypi.org The Python Package Index (PyPI) is the repository of software for the Python programming language. Pronounced 🥧 🫛 👁️
Ned Batchelder @nedbat.com Python, Boston, mathy fun, juggling, autism parenting. https://nedbat.com
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.
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
Anthony Shaw @anthonypjshaw.bsky.social Technical Advisor at Microsoft. PSF Fellow. Creator of VS Code Pets and other useful software
Paul Moore @pfmoore.bsky.social Python core developer, pip maintainer, gamer (board and video), occasional guitarist
Barry Warsaw @pumpichank.bsky.social 
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
scikit-learn @scikit-learn.org Machine learning in Python • Open Source
https://scikit-learn.org
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
Project Jupyter @jupyter.org Multi-language interactive computing environments. Jupyter Notebook, JupyterLab and related projects – @mentions not monitored. Open issues on GitHub.
Jeff Dean @jeffdean.bsky.social Google Chief Scientist, Gemini Lead. Opinions stated here are my own, not those of Google. Gemini, TensorFlow, MapReduce, Bigtable, Spanner, ML things, ...
Epic Games: Free Games 🎮 @epic-games-free.mastodon.social.ap.brid.gy Automated feed of free game offers on the Epic Games Store.
🎮 👉 https://store.epicgames.com/free-games
If you follow this account, you can enable 🔔 […]
[bridged from https://mastodon.social/@epic_games_free on the fediverse by https://fed.brid.gy/ ]
Jaime Gómez-Obregón @gomezobregon.com Ingeniero hackeando para mejorar la Administración pública. Ayúdame a seguir en http://patreon.com/jaime_gomez_obregon
Jack Kelly @jack-kelly.com Building open source ML to reduce CO₂ emissions from the electricity grid
• Python, climate, forecasting weather & energy, AI, open data & science, Rust
• Now: Co-founder @openclimatefix.org
• Prev: DeepMind, NESO, Imperial
• https://github.com/jackkelly
Emilio Carrizosa @emiliocarrizosa.bsky.social Elong Musk Refugee.
Antes todo esto era campo.