passagemath @passagemath.org General-purpose #OpenSource #Mathematics software system in #Python.
The pip-installable modularized portable compatible fork of #SageMath.
https://passagemath.org/ · https://github.com/passagemath · posts by @mkoeppe.bsky.social
Serena Bonaretti @serenabonaretti.bsky.social Passionate about Quantitative Musculoskeletal Imaging, and excited to make it Open and Reproducible
Coordinating the ORMIR Community www.ormir.org
Writing Learn Python with Jupyter www.learnpythonwithjupyter.com
Matthias Köppe @mkoeppe.bsky.social Professor, UC Davis #Mathematics. He/him. #DavisCA.
Made #SageMath pip-installable @passagemath.org.
https://github.com/mkoeppe #Python #OpenSource
#cutgeneratingfunctionology #optimization #orms
I block accounts to increase reading focus.
@hbcarlos.bsky.social @hbcarlos.bsky.social 
mozilla.ai @mozilla.ai Open, transparent AI for real world impact. Built for developers, creators, and teams shaping what’s next.
Juan Luis @juanlu.space Posting about open source ecology, resisting AI, y política española. Software Engineer + DevRel at Canonical. Luddite. Proudly hosted on @eurosky.social 🇪🇺
#ADHDAwareness
Lindsey Heagy @lheagy.bsky.social Assistant Professor in Geophysics at UBC
Kenji Baheux @exploractical.com Product Manager at Google, leading #WebAI projects in Chrome. Views expressed are my own.
Signal @signal.org Signal is a nonprofit end-to-end encrypted communications app. Privacy isn’t an optional mode, it’s the way Signal works. Every message, every call, every time. https://signal.org/donate/
Reuven M. Lerner @lernerpython.com Helping you become more confident with Python and Pandas since 1995.
• Courses: LernerPython.com
• Newsletters: BetterDevelopersWeekly.com • BambooWeekly.com
• Books: PythonWorkout.com • PandasWorkout.com
• Videos: YouTube.com/reuvenlerner
Teon ⁂ @teonbrooks.com 🛠️ building @gothamdataclinic.org
🎒 @passports.social (in alpha)
🥾 avid traveler #buencamino
📍 Brooklyn #bkcb1
👨🏾💻 RC S1'23 W1'24
🌈 he/him/Dr. 🌹
👨🏾🔬 cognitive scientist 🧪🧠
🗣️ speaks: 🇺🇲 | 🇫🇷 | 🇧🇷
https://teonbrooks.com
Continuous Science Foundation @continuous.foundation 
pkg.pr.new @pkg.pr.new https://pkg.pr.new ⚡
Instant preview releases for your branches and PRs, without polluting the npm registry. We call it "Continuous Releases" too.
A @stackblitz.com OSS Community Project
Created by @aslemammad.bsky.social and @amirsakhravi.bsky.social
Sandrine Pataut @sandrinep.bsky.social Pythonista 🐍 Data Scientist 💻 @AIClubGenderMin @HumbleData👩🏻💻 Back from the other side of the Channel 🇫🇷🇬🇧 Maths • Cooking • Sport & Outdoors- She/Her
@nicolasbrichet.bsky.social @nicolasbrichet.bsky.social 
VoidZero @voidzero.dev The JavaScript Tooling Company
Pyodide @pyodide.org Pyodide is an open source Python distribution for the browser and Node.js based on WebAssembly/Emscripten.
Find us at https://pyodide.org 🐍
Contribute at https://github.com/pyodide/pyodide 🤗
Also, find us on Mastodon: https://fosstodon.org/@pyodide
Agoratlas @agoratlas.com Influence, tendances, crises : nous cartographions les dynamiques des réseaux sociaux et leurs communautés d’influence
https://agoratlas.com/
@geojupyter.bsky.social @geojupyter.bsky.social 
Trung Le @trungleduc.bsky.social Technical Director at @QuantStack.bsky.social
Matt Fisher @mfisher87.bsky.social He/him 🏳️🌈. Research software engineer @ UC Berkeley Schmidt Center for Data Science and Environment. Open Science / open source enthusiast. Nature lover 🌱🐕🌵🦌🌼🐦. Music lover 🎶🎹🥁🎵. Tinkerer 🛠️.
github.com/mfisher87
Lorena A Barba @labarba.bsky.social Engineering professor, computational scientist, jazz buff, techie, academic writer & font geek. Faculty director of the GW Open Source Program Office.
https://lorenabarba.com
www.linkedin.com/in/lorenabarba
Wayne @fomightez.bsky.social Wayne
~~ ~Jupyter Distinguished Contributor
~ ~ ~ http://fomightez.github.io
~ ~ ~ ~ ~ ~ I run Proteopedia's social media too ~~ ~
He/His
Paul “π” Ivanov - @ivanov@mastodon.sdf.org @paulivanov.bsky.social onward and awkward.
mari ♡ @mari-meireles.bsky.social may all beings be happy 🪷
researching cooperativeAI & graph neural nets @Max Planck Institute
interested in community building, solving coordination problems and eradicating ext. poverty
cat theory, complex sys & consciousness
Ryan Dahl @tinyclouds.org cofounder of deno and creator of node
https://tinyclouds.org/
https://github.com/ry
https://x.com/rough__sea
Michał (Mike) Krassowski @krassowski.bsky.social Maintainer of JupyterLab. DPhil in omics/endometriosis - I miss research. Thinking how to leave the world a better place.
Sylvain Corlay @sylvaincorlay.bsky.social @QuantStack.bsky.social founder
@jupyter.org maintainer
@computeparis.bsky.social organizer
ACM software system award 2017.
shadcn @shadcn.com design + code - shadcn.com
Compute! Paris @computeparis.bsky.social 🇫🇷 The Compute! Paris conference.
November 25-26 2026 • Sorbonne Université
tim @tim.paine.nyc Developer, open source, fintwit, shitposter. CS Dept @ Columbia University. Formerly at JP Morgan, IEX.
tim.paine.nyc
Prefix.dev - the Pixi company @prefix.dev Escape dependency hell with Pixi - your new favorite package manager!
Discord: https://discord.com/invite/kKV8ZxyzY4
Pierre @pierreraybaut.bsky.social Creator of Spyder (the Scientific Python IDE, http://spyder-ide.org), WinPython (the Python distribution) and DataLab (https://datalab-platform.com).
https://pierreraybaut.github.io/
Benjamin Augustin @dorvaryn.dev dorvaryn.dev
Frenchman living in London 🇬🇧🇫🇷
Principal Engineer @ATG Entertainment
Previously @Novoda
AntoinePrv @antoineprv.bsky.social 
PyCon DE & PyData @pyconde.bsky.social Join 1500 🐍 🤓 🦄 at our annual Python & PyData conference 23.-25.04.2025 in Darmstadt / Frankfurt. https://pycon.de
Deno @deno.land A modern runtime for JavaScript and TypeScript
https://deno.com
「Cristián」 @maureira.dev Qt Developer 🇨🇱 🇩🇪 👨💻 | @python.org Fellow & Director | https://hablemospython.dev 🐍 | PyPI moderator | Former astrophysicist at AEI MPI | https://maureira.dev
Benoît Bovy @benbovy.github.io Earth Science, open-source software development (https://xarray.dev/, https://fastscape.org/, https://github.com/geigr, Spherely, etc.) and music creation.
https://benbovy.github.io/
Julien Jerphanion @jjerphan.xyz Computer Science • Applied Maths • Software • Progressive Music • Scientific Software Engineer @quantstack.bsky.social
Arjun Verma @arjxn-py.bsky.social Scientific Software Engineer @quantstack.bsky.social
Loves Open Source, 3D, GIS & collaborating
@glemaitre58.bsky.social @glemaitre58.bsky.social 
Rspack @rspack.dev Rstack is a lightning-fast JavaScript toolchain that includes Rspack, Rsbuild, Rslib, Rspress, Rsdoctor, Rstest and Rslint.
Vercel @vercel.com Vercel provides the developer tools and cloud infrastructure to build, scale, and secure a faster, more personalized web. Creators of @nextjs.org, @v0.dev, and @sdk.vercel.ai.
StackBlitz @stackblitz.com @bolt.new prompt, run, edit, and deploy full-stack web apps! ⚡
Roman Yurchak @romanyurchak.bsky.social ML engineer & Founder at Symerio.
Previously core developer Pyodide, scikit-learn.
🇺🇦
Marc Garcia @datapythonista.bsky.social Open source and Python: pandas core developer, PSF fellow, former EuroSciPy co-organizer, NumFOCUS community award. https://datapythonista.me
Kyle Barron @kylebarron.dev Creating the next generation of geospatial data tools for Python & the browser with GeoArrow, GeoParquet & GeoRust @developmentseed | he/him 🌈
Martin Renou @martinrenou.bsky.social Technical Director @quantstack.bsky.social. Believe in open-source software and open-science. Love computer graphics and Python.
QuantStack @quantstack.bsky.social A team of open-source maintainers and engineers providing solutions and support for open-source projects used by millions worldwide. #Jupyter, #condaforge, #Mamba, #ApacheArrow, #Xtensor, and more.
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
@dhirschfeld.bsky.social @dhirschfeld.bsky.social 
Pierre Poulain @pierrepo.bsky.social Associate prof Univ Paris Cité & Laboratory of Theoretical Biochemistry
#bioinformatics #python #unix
#openscience Software Heritage ambassador
#pedagogy 
Tom Ballinger @ballingt.com Duboce Triangle in SF
ballingt.com
Jeremy Howard @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…
Kyle Kelley @kylekelley.bsky.social Quill 🎮 Anaconda 🐍 🧪 Jupyter & Zed Hacker ⌨️ Santa Cruz City Schools Board 🏫 Untitled.ipynb
Jared Palmer @jaredpalmer.com VP Engineering at Cognition
jaredpalmer.com
@jaredpalmer on X
Eugene Yan @eugeneyan.com RecSys, AI, Engineering; Principal Applied Scientist @ Amazon. Led ML @ Alibaba, Lazada, Healthtech Series A. Writing @ eugeneyan.com, aiteratelabs.com.
Robert Aboukhalil @robert.bio Co-founder at https://omgenomics.com. Creator of https://42basepairs.com, https://sandbox.bio, https://biowasm.com, https://levelupwasm.com. Bioinformatics, genomics.
About me: https://robert.bio
Charlie Marsh @crmarsh.com Building Astral: Ruff, uv, and other high-performance Python tools, written in Rust.
Ben Holmes @bholmes.dev The Whiteboard Guy @warp.dev
trevor manz @manzt.sh middle child, creator of anywidget.dev
building @marimo.io; prev @harvard.edu
swyx @swyx.io i want everyone to aspire to integrity, intensity, and intentionality. see also @latent.space
Surma @surma.dev DX & monorepo at Shopify.
Craving simplicity, finding it nowhere.
Internetrovert 🏳️🌈 He/him.
@levelsio @levels.io 💾 Pieter.com est. 1994
📸 PhotoAI.com $120K/m
🏡 InteriorAI.com $38K/m
🛰 RemoteOK.com $37K/m
🌍 Nomads.com $35K/m
🎁 levelsio.com $23K/m
Curvenote® @curvenote.com Curvenote's mission is to free science from static PDF documents to enable researchers to continuously share more interactive, reproducible, and richly-linked #openscience content. Curvenote develops authoring and publishing tools for researchers.
Fernando Pérez @fernandoperez.org Open source, open science, AI in science for earth/ice and healthcare. IPython creator, @projectjupyter.bsky.social and 2i2c.org co-founder.
Prof @ UC Berkeley Stats, director of @ucbids.bsky.social, co-director @schmidtdse.bsky.social; LBL scientist.
Olivier Grisel @ogrisel.bsky.social Software engineer at probabl, scikit-learn contributor.
Also at:
https://sigmoid.social/@ogrisel
https://github.com/ogrisel
Jake VanderPlas @jakevdp.bsky.social Write code. Mostly Python.
Hamel Husain @hamel.bsky.social evals evals evals. https://evals.info
Jacob Tomlinson @jacobtomlinson.dev Building RAPIDS and Dask at NVIDIA. Views are my own. he/him.
https://jacobtomlinson.dev
Jannis Leidel @jezdez.dev 🐍 PSF chair & fellow.
🎁 conda and friends at Anaconda.
📦 PyPA & 🎷Jazzband founder.
🕸️ mozilla data, ✍️MDN & 🎻 Django alum.
🚲 Mobilitätswende jetzt!
He/him
Gaël Varoquaux @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
Jan-Hendrik Müller @kolibril13.bsky.social Generative Design 🎨 - Coding 🧑💻 - Science Communication 🧬
Tania Allard @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 
Steve Purves @opensci.dev Founder @curvenote.com, scribbler at https://opensci.dev, engineer, builder
Philipp Rüdiger @philippjfr.bsky.social 🐍Principal Software Engineer @ Anaconda
⚡Creator of Panel, Lumen AI, hvPlot & Bokeh Maintainer
🏛️ Social Democrat & Anti-Fascist
MyST Markdown @mystmd.org Markdown with superpowers for writing scientific 👨🔬 and technical 📈papers. #OpenSource & maintained by Project #Jupyter.
Paige Bailey (webpaige.dev) @dynamicwebpaige.bsky.social ✨ Keep it simple, make it scale. AI should be about empowering users and building understanding. 👩💻 AI Developer Experience @ Google DeepMind, ex-Github, ex-Google
conda-forge @conda-forge.org A community led collection of recipes, build infrastructure and distributions for the conda package manager.
https://conda-forge.org
David Brochart @davidbrochart.bsky.social Better not to start, once begun better to finish.
Observable @observablehq.com The data visualization company
Project Jupyter @jupyter.org Multi-language interactive computing environments. Jupyter Notebook, JupyterLab and related projects – @mentions not monitored. Open issues on GitHub.
Angus Hollands @agoose77.bsky.social 🌍 Open Source Applications Engineer @ 2i2c!
📚 Jupyter Book core team member.
🎓 PhD in Nuclear Physics from the University of Birmingham.
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
Rowan Cockett @row1.ca I talk about computational #openscience communication and science publishing. On the jupyterbook.org & @mystmd.org teams, co-founder of @curvenote.com & @continuous.foundation.
Steve Silvester @stevesilvester.bsky.social Jupyter maintainer @ MongoDB. Opinions are my own. - D Thorsten Beier @derthorsten.bsky.social
Daniel Shiffman @shiffman.lol Choo choo!
Mathis Hammel-Brylinski @mathishammel.bsky.social Programmation compétitive, cybersécurité & IA.
Co-fondateur & CTO @agoratlas.com, agence d'analyse des réseaux sociaux à grande échelle.
Cassidy @cassidoo.co Making memes, dreams, & software!
Sr. Director of Dev Advocacy at GitHub. Married to a dweeb and mom to a nerdy toddler + baby combo. She/Her ✝️ CHI 🏠
Subscribe to my newsletter!
cassidoo.co/newsletter
Armin Ronacher @mitsuhiko.at Creator of Flask • earendil.com ♥︎ writing and giving talks • Excited about AI • Husband and father of three • Inhabits Vienna; Liberal Spirit • “more nuanced in person” • More AI content on https://x.com/mitsuhiko
More stuff: https://ronacher.eu/
Julia Evans @b0rk.jvns.ca programming and exclamation marks
blog: jvns.ca
zines: wizardzines.com
Samuel Path @samuelpath.bsky.social Senior Machine Learning Infrastructure Engineer at Shopify / Working remotely from Paris / Father of 4
Simon Willison @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/
Itay Dafna @dafna.io Software Engineer @ Netflix. Views expressed here are my own.
polyglot.codes
🇪🇺🇬🇧🇺🇸
#BeKind
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 🧪
Wes Bos @wesbos.com Fullstack Dev ❯ JS⚛ CSS Node ❯ JavaScript30.com ❯ wesbos.com/courses ❯ 🔥 Tips ❯ Podcast @syntax.fm
Kelsey Hightower @kelseyhightower.com Minimalist
karpathy @karpathy.bsky.social AI @ OpenAI, Tesla, Stanford