Rulestack @ai-shop.bsky.social Daily practical notes on Claude Code, Cursor & Codex — context design, agent workflows, rules that hold up in real projects.
Originally AI-led, now AI + human hybrid.
Packs → https://rulestack.gumroad.com
Feedback → tag #RulestackFeedback
Ben Frederickson @benfrederickson.bsky.social Working on open source. Author of py-spy. https://github.com/benfred
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.
Wolf Vollprecht @wolfvollprecht.bsky.social Working on software package management at @prefix.dev
Alister Burt @alisterburt.bsky.social Computational Cryo-EM/ET at Genentech
Love people, the outdoors and building stuff
Complexity is the enemy
All opinions my own
Print Play Protect @printplayprotect.bsky.social We make cool tabletop items :D
Furkan Onder @furkanonder.bsky.social Python Triage Member | Focusing on CPython #LKD #Python #ArchLinux #Django #eBPF
https://github.com/furkanonder/
Python/Data science/Machine Learning/Deep Learning/AI @shaharyarranjah1.bsky.social It's shaharyarranjah1 content creator and software engineer and artificial intelligence engineer Learn full stack web development machine learning deep learning computer vision llm data science data analyst etc connect with us
Friendly Skeleton @jonathan.eylerwerve.com I post art, art process, some trash. Reskeets mean you fucking crushed it, good job.
Chicago. Trying to make the Internet a nice place for humans at https://civicworkbench.com
Juan Nunez-Iglesias @jni.codes Co-founder, core developer, and steering council member of @napari.org
Also other FOSSy and Science-y things.
I prefer Mastodon (profile at https://fosstodon.org/@jni) but begrudgingly checking things out here. 😂
Peter Sobolewski @psobolewskiphd.bsky.social #Duke #UCSD Alum; Recovering Academic; Research IT
@jacksonlab.bsky.social; core dev @napari.fosstodon.org.ap.brid.gy
Daniel Bast @dbast.bsky.social 
Peter W🤓 @wang.social Anaconda Founder&Head of AI; created the PyData movement, PyScript, Bokeh, Datashader; Fellow @ Python Software Foundation; Center for Humane Tech
Game~B; Physics, Cybernetics, Memetics. A student of the human condition.
Memento mori
Eldonedwards @eldonedwards.bsky.social I am a business researcher. I am also very interested in artificial intelligence and business and education and medicine. Also, I am very interested in popular culture and music. I strive to live a simple healthy life. DTM and CBI.Score counselor.
Olivier Grisel @ogrisel.bsky.social Software engineer at probabl, scikit-learn contributor.
Also at:
https://sigmoid.social/@ogrisel
https://github.com/ogrisel
AntoinePrv @antoineprv.bsky.social 
Sylvain Corlay @sylvaincorlay.bsky.social @QuantStack.bsky.social founder
@jupyter.org maintainer
@computeparis.bsky.social organizer
ACM software system award 2017.
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 🧪
@software-developm.bsky.social @software-developm.bsky.social 
Joe Hamman @jhamman.bsky.social Climate scientist, engineer and human. Co-founder/CTO @earthmoverHQ. @xarray_dev / @pangeo_data dev. Formerly
@carbonplanorg, @NCAR_Science, and @uw_cee. He/him.
Jon Mease @jonmmease.bsky.social Data Vis and Semantic Layer development at Hex. Creator of VegaFusion, acquired by Hex. @vega_vis Altair co-maintainer. Former Chief Scientist at @plotlygraphs
Qiusheng Wu @giswqs.bsky.social Associate Professor @UTKnoxville | Amazon Scholar | Creator of #geemap & #leafmap | Talk about #Geospatial #GeoPython #DataViz #GIS #FOSS #EarthEngine
Aleksandar Milicevic @milicevica23.bsky.social Data/Software engineer building a data platform for Magenta (German Telekom in Austria) interested in database internals, modern data stack, and rust
Located in Vienna, Austria
Raúl Peralta Lozada @raulpl25.bsky.social Data scientist interested in causal inference, Bayesian statistics and data visualization.
Jaime Rodríguez-Guerra @jaimergp.dev Another PhD captured by open source.
⇒ Core team at @conda-forge.org.
⇒ Steering council at @conda.org.
⇒ Staff Software Engineer at @quansight.com.
⇒ Blogging at rjai.me.
he/him
@teluite.bsky.social @teluite.bsky.social 
Josh Gordon @lbcapt.bsky.social Husband / Dad / Raconteur / Bon Vivant / Chicago-Obsessed / Eternally Optimistic / Proud to be an All-Around Good Guy
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
@chrishamilton.bsky.social @chrishamilton.bsky.social 
Stefan Abi-Karam @stefanabikaram.com Graduate Student (@SharcLab) + Research Faculty at @GeorgiaTech 🐝
Working on digital hardware design + AI
https://stefanabikaram.com/
Anton Akhmerov @antonakhmerov.org Condensed matter theorist and a fan of open source and open science. https://antonakhmerov.org/
Hameer Abbasi @hameerabbasi.bsky.social Performance optimiser; LoC Reducer
Eric Charles @echarles.net Founder of Datalayer https://datalayer.ai
Julian Hofer @julianhofer.eu @prefix.dev software engineer who loves languages and trains 🚅
James Lamb @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
Soumya Parija @soumyaparija.bsky.social Hi There :) I'm Soumya, Engineer in Computer Vision , Excited to connect, share, and learn together here.
Eric J Morey @ericjmorey.com ericjmorey.com
Democratic Candidate for Cape May County Commissioner
Born and raised in NJ
This has become my primary outlet for keeping informed about the political troubles in the USA.
Mikkel Roald-Arbøl @roald-arboel.com Thinking about what brains are doing and how they ended up doing it.
🇩🇪 Postdoc in @sleeblab.bsky.social
🪲 Quantitative ethology, neuroethology and behavioural ecology
🔧 Developing open science software (mostly #rstats) and hardware
Iisakki Rotko @iisakki.rtko.eu Postmodern relative truth spinner.
SWE @widgetti, working mainly on Solara & PyCafe
Ned Letcher @ned.sh Data science, AI/ML, analytics, visualisation. Naarm/Melbourne @thoughtworks, #dataBS, #Python, #NLP, #DuckDB, & assorted whimsical miscellania
Quentin Pradet @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
Philipp Rüdiger @philippjfr.bsky.social 🐍Principal Software Engineer @ Anaconda
⚡Creator of Panel, Lumen AI, hvPlot & Bokeh Maintainer
🏛️ Social Democrat & Anti-Fascist
@hiatb.bsky.social @hiatb.bsky.social .
Eirik Rolland Enger ⁂ @eirik.re @Signal.org: eirikre.83
Renan R Santos @renan-r-santos.github.io Working at Biotech
❤️ #python and #rustlang
@kiriliponi.bsky.social @kiriliponi.bsky.social 
Ben Moss @mossity.com 
Joshua Adelman @synapticarbors.bsky.social former biophysicist turned computational scientist/scientific software engineer in the steel city
Silvio Traversaro @traversaro.bsky.social Robotics Applied Scientist
@ami_iit @iCub @IITalk .
Robotics Software @condaforge @RoboStack .
Martin Renou @martinrenou.bsky.social Technical Director @quantstack.bsky.social. Believe in open-source software and open-science. Love computer graphics and Python.
Dan Allan @danielballan.bsky.social I walk around Baltimore with a 7-year-old. I work at a giant X-Ray beam, building software for science.
Jeremiah Lowin @jlowin.dev CEO @prefect.io. Building FastMCP. Mostly harmless.
Marco Rossi @marcorossi.eurosky.social 
MyST Markdown @mystmd.org Markdown with superpowers for writing scientific 👨🔬 and technical 📈papers. #OpenSource & maintained by Project #Jupyter.
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.
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.
Sam Power @spmontecarlo.bsky.social Lecturer in Maths & Stats at Bristol. Interested in probabilistic + numerical computation, statistical modelling + inference. (he / him).
Homepage: https://sites.google.com/view/sp-monte-carlo
Seminar: https://sites.google.com/view/monte-carlo-semina
Thomas Kluyver @takluyver.bsky.social 
Colin Carroll @colcarroll.bsky.social Runner, biker, hiker. Software engineer @DeepMind, and open source enthusiast. Sometimes crafts things out of wood. he/his.
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 
Hannah @story645.bsky.social graduate student studying visualization (CS) @thegraduatecenter.bsky.social & @matplotlib.org community manager/maintainer
trevor manz @manzt.sh middle child, creator of anywidget.dev
building @marimo.io; prev @harvard.edu
Ryan May @dopplershift.bsky.social I'm a weather-focused software engineer and career Pythonista. Opinions are my own, yada yada.
Jannis Leidel @jezdez.dev 🐍 PSF chair & fellow.
🎁 conda and friends at Anaconda.
📦 PyPA & 🎷Jazzband founder.
🕸️ mozilla data, ✍️MDN & 🎻 Django alum.
🚲 Mobilitätswende jetzt!
He/him
Jacob Tomlinson @jacobtomlinson.dev Building RAPIDS and Dask at NVIDIA. Views are my own. he/him.
https://jacobtomlinson.dev
Matthew Feickert @matthewfeickert.com Research scientist at UW-Madison data science institute working on #LHC #physics and data science with the ATLAS experiment @ CERN and IRIS-HEP. PhD @ SMU
Jeremy Tuloup @jtp.io Technical Directory at QuantStack, Project Jupyter Core Developer & Distinguished Contributor - https://github.com/jtpio - jtp.io
Kyle Kelley @kylekelley.bsky.social Principal Engineer @anacondainc.bsky.social, nteract lead, maker of document engines and runtimes 🚲 🏫 🚶🏻🌲🏙️ 🌊
Jan-Hendrik Müller @kolibril13.bsky.social Generative Design 🎨 - Coding 🧑💻 - Science Communication 🧬
David Brochart @davidbrochart.bsky.social Better not to start, once begun better to finish.
Will McGugan @willmcgugan.bsky.social CEO / Founder of https://textualize.io Hyperborean Python expert, author, humanist, husband, sometimes wildlife photographer. Carbonara aficionado. He/him.