Thomas A Caswell @tacaswell.bsky.social I am a soft-condensed matter physicist by training, but am now Research Software Engineer working to enable scientist to use computers to do science via open source software.
Project Lead of Matplotlib and PSF Fellow
he/him
Ashley Ringer McDonald @aringermcdonald.bsky.social Computational chemist, Professor, Cal Poly SLO. MolSSI Board of Directors. Past Chair ACS COMP.
Stephen Turner @stephenturner.us FIeld guide. Quartermaster. Associate Professor and Research Dean at UVA School of Data Science. Views my own.
Web: https://datascience.virginia.edu/people/stephen-turner
Newsletter: https://blog.stephenturner.us
Continuous Science Foundation @continuous.foundation 
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
Hannah @story645.bsky.social graduate student studying visualization (CS) @thegraduatecenter.bsky.social & @matplotlib.org community manager
Dr. Kari L. Jordan @drkariljordan.carpentries.org African descent. Lifetime Member of NSBE. Available for speaking engagements. My thoughts/posts are my own.
NumFOCUS @numfocus.bsky.social Open Code = Better Science NumFOCUS is a 501(c)(3) nonprofit that supports and promotes world-class, innovative, open source scientific computing.
Kyle Mandli @mandli.bsky.social Applied mathematician, computational scientist and pickle expert.
David Gleich @dgleich.bsky.social Purdue CS. I like matrices, graphs, networks, tensors if they fit, energy efficient stuff, Julia (I’m ex-Matlab), Laura (my wife), data, clean air, 3D printing, vaccines (especially for kids), cooking, hiking, skiing. I’m quiet so I don’t say too much.
Lex Nederbragt @lexnederbragt.bsky.social 
Bilel Hadri @hadribilel.bsky.social Computational Scientist at Leadership Computing Centers, now at KAUST Supercomputing Lab, ex NICS/ORNL, Proud alumnus of UH & Polytech. Lyon
Tim Bonnemann @planspark.bsky.social Community architect/builder/special ops. Founder and chief vibe coder (stealth). San José, CA. Wannabe trail runner. German native. Vive l’Europe! Skeets my own, etc. #opensource #community #criminaljustice #learningspanish
Open-Source Science (OSSci) @ossci.bsky.social A NumFOCUS initiative aimed at accelerating scientific research and discovery by improving the ways open source in science gets done. Learn more: https://opensource.science
SocArXiv @socarxiv.bsky.social Open archive of social science. Free. Academy owned. Posts by director Philip N. Cohen. Say it: so-SHAR-kive (soʊʃɑrkaɪv). Website: socarxiv.org. New papers post at: https://bsky.app/profile/socarxivbot.bsky.social
Ben Balter @ben.balter.com Helping distributed teams work in the open & default to async | Author of Open & Async | Ex-GitHub Director, Presidential Innovation Fellow, attorney
Dan Cohen @dancohen.org Vice Provost/Dean of the Library, Professor of History at Northeastern University
Posts originate at social.dancohen.org, but I'll hear you if you reply
Subscribe at newsletter.dancohen.org for longer-form writing
Dr. Casey Fiesler @cfiesler.bsky.social information science professor (tech ethics + internet stuff)
kind of a content creator (elsewhere also @professorcasey)
though not influencing anyone to do anything except maybe learn things
she/her
more: casey.prof
Shuji Sado (佐渡 秀治) @shujisado.bsky.social Open Source guy, Chairman of Open Source Group Japan (https://opensource.jp), former CEO of OSDN K.K.(to 2020), ex-VA Linux,、オープンソースとガラパゴスの人、インターネット青年団
Georgia Tech Open Source Program Office @gatech-ospo.bsky.social The Georgia Tech Open Source Program Office provides a space for sharing open source best practices, relevant OSS projects, and opportunities for engagement with the Atlanta-area open source community. Check our website and learn more at ospo.cc.gatech.edu
Alt18F @alt18f.bsky.social Delivered effective, efficient, and secure digital services for the American people until we were forced to stop on March 1, 2025. Not an official government account. Reposts are not endorsements. Our new website: https://18f.org/ #AltGov
Jonathan Capehart @jonathancapehart.bsky.social Co-host, MS NOW "The Weekend." Contributor PBS NewsHour, "Brooks & Capehart"
Former Associate Editor, The Washington Post.
Project Jupyter @jupyter.org Multi-language interactive computing environments. Jupyter Notebook, JupyterLab and related projects – @mentions not monitored. Open issues on GitHub.
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. 😂
Paul Kirschner @paulkirschner.bsky.social Educational realist, Diehard edu myth-buster, Grumpy Old Man, Emeritus Prof. Educational Psychology Open Universiteit, Guest Prof. Thomas More Uni (Belgium), owner kirschner-ED
Invest in Open Infrastructure @investinopen.bsky.social We work to increase investment in + adoption of open infrastructure to further equitable participation in research. Mastodon: investinopen@indieweb.social
Kaitlin (Kay) Thaney @kaythaney.bsky.social executive director, Invest in Open. cares a lot about governance + infrastructure. makes things out of clay.
Jeremy Berg @jeremymberg.bsky.social Husband, Father, Grandfather, Datahound, Dog lover, Fan of Celtic music, Former NIGMS director, Former EiC of Science, Stand Up for Science advisor, Shananigator, Pittsburgh, PA
NIH Dashboard: https://jeremymberg.github.io/jeremyberg.github.io/index.html
Flaviu Cipcigan @flaviucipcigan.bsky.social Building AIs for scientific discovery. Discovered antibiotics and materials for carbon capture. Tango dancer. See more at flaviucipcigan.com. Opinions my own.
The AI Alliance @aialliance.bsky.social We are technology developers, researchers, industry leaders and advocates who collaborate to advance safe, responsible AI rooted in open innovation.
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, ...
Ami Fields-Meyer @fieldsmeyer.com NYT Bestselling Author – ON COURAGE: HOW TO BE A DISSIDENT IN AN AGE OF FEAR (HarperCollins/Mariner) tinyurl.com/yxpvn488
Fmr White House Sr Policy Advisor | Fmr Sr Fellow, Harvard Kennedy School
Contact: fieldsmeyer.com
More: amifieldsmeyer.substack.com
David Green, PhD @ecologistgreen.bsky.social Wildlife Ecologist. Passionate about open science, scientific publishing, & peer review. Founder of @StacksJournal.bsky.social, a scientific journal designed ease & ethics.
Learn More & Join Us ⬇️
https://www.stacksjournal.org
Susie Dent @susiedentwords.bsky.social Always in the Corner
AAUP @aaup.org The American Association of University Professors champions academic freedom, advances shared governance, and organizes faculty to ensure higher education's contribution to the common good.
aaup.org
hpc.social on BlueSky @hpc.social Expanding the HPC.social community to new and bluer skies! See our open-source community projects including jobs board and links to other media such as Slack, Discord, and Mastodon at https://hpc.social to introduce yourself, learn more, and get involved!
CSCS - Swiss National Supercomputing Centre @cscsch.bsky.social CSCS, the Swiss National Supercomputing Centre, develops and promotes technical and scientific services in high-performance computing. #weareAlps
Anton Akhmerov @antonakhmerov.org Condensed matter theorist and a fan of open source and open science. https://antonakhmerov.org/
Kenneth Hoste (boegel) @boegel.bsky.social https://ugent.be/hpc | https://github.com/boegel | https://linkedin.com/in/kenneth-hoste | https://easybuild.io | https://eessi.io | https://multixscale.eu | https://my-eurohpc.eu | family | community | HPC | FOSS | loud music | stickers | 🍻 beer |
Ian Foster @ianfoster42.bsky.social Deep computing for deep science. UChicago & Argonne Nat Lab. Work with amazing people. Globus. AI, HPC, robotics for discovery. And sailing. And books. And music. And beauty.
Michelle Mills Strout @michelle-strout.bsky.social Distinguished Technologist at HPE
Adjunct Faculty at University of Arizona
I work in High Performance Computing (HPC) and Programming Languages. I like making science work on parallel systems of all kinds, including GPUs, using Chapel (chapel-lang.org).
Richard Knepper @rknepper.bsky.social Center for Advanced Computing
Cornell University
CASC
🇵🇱
Ondřej Čertík @ondrejcertik.bsky.social At Microsoft, previously GSI Technology, Los Alamos National Lab,. Original author of SymPy, SymEngine, LFortran, LPython, co-founder fortran-lang.
Nicolás Wolovick @nwolovick.bsky.social CS: HPC, RC, CSEd, FM
Amanda Randles 🧪⚛️ 👩🔬 @profamandarandles.bsky.social Director of the Duke University Center for Computational and Digital Health Innovation. Professor of Biomedical Engineering. Research in HPC and digital twins for health.
@david-lippert.bsky.social @david-lippert.bsky.social 
Stephen Jacobs @ritsj.bsky.social Game and Open Source Prof
Caitlin Grady @caitlinagrady.bsky.social Prof @ George Washington University. Environment, Climate, and Gov Affairs Consultant. Sr. Advisor. Gov and Academia. #food #water #energy #electricity #sustainability #security
Stefan Michaelis @stmichaelis.bsky.social @Lamarr Institute for Machine Learning and Artificial Intelligence
Sharing insights, news, and findings from the web
https://lamarr-institute.org/
Altmetric @altmetric.com We measure the attention that research outputs receive from policy documents, mainstream news outlets, Wikipedia, social media and online reference managers. We detect sentiment of Bluesky/X posts.
Come for the attention to research. Stay for the memes.
John Paul Helveston @jhelvy.bsky.social Systems Eng Prof @ GWU 🦛 | Director, Data Analytics MS Program | EVs 🔋🚗 | Low Carbon Tech | Choice Modeling | Survey Research | China | US-China Policy | #rstats | #reproducibility | #opensource | Father | opinions own 
LSE Impact @lseimpactblog.bsky.social 💥A platform for those interested in increasing the impact of academic research. 📨 Subscribe to our newsletter here: https://blogs.lse.ac.uk/impactofsocialsciences/subscribe-via-email/
Toni Mey @ppxasjsm.bsky.social Senior lecturer in Computational Biophysics @ University of Edinburgh molecular simulations, machine learning and baking enthusiasts. Occasional mathematics outreach
M.J. Crockett @mjcrockett.bsky.social Professor of Psychology & Human Values at Princeton | Cognitive scientist curious about technology, narratives, & epistemic (in)justice | They/She 🏳️🌈
www.crockettlab.org
Audrey Watters @audreywatters.bsky.social I’m just here so I won’t get fined — Marshawn Lynch
https://t.ajrkmx1.com/331727/6224/0?po=6533&aff_sub5=SF_006OG000004lmDN
Joanna Tai @drjot.bsky.social Higher education assessment & feedback researcher. Both kinds of doctor. Knitter and baker. Views my own, reposts are not necessarily endorsements. 
merve @merve.bsky.social proud mediterrenean 🧿 open-sourceress at hugging face 🤗 multimodality, zero-shot vision, vision language models, transformers
Anthony Scaramucci @scaramucci.bsky.social https://youtube.com/@restpoliticsus?si=jWe9uSTQSAWtk5dE
Dhawal Shah @dhawal.bsky.social What is this? A blog for ants? It should be at least 900 characters. Founder at classcentral.com @classcentral.com
Dan Von Kohorn @danvk.com Decades in finance and software development.
- http://danvk.com
- Forest restoration project: http://OrangeWoods.US
- VC @ http://Broom.Ventures
Nathan Lambert @natolambert.bsky.social A LLN - large language Nathan - (RL, RLHF, society, robotics), athlete, yogi, chef
Writes http://interconnects.ai
Prev Ai2/Olmo, HuggingFace, Berkeley, and normal places
Russell Shilling @shilling.bsky.social ⚓️ Experimental Psychologist | Navy CAPT (ret) | DARPA alum | Tech innovation in education and behavioral health | Autism parent | Views expressed are my own| 👾 https://russ-shilling.com/ideas
Alondra Nelson @alondra.bsky.social Scholar, author, policy advisor
alondranelson.com
Science, Technology, and Social Values Lab
https://www.ias.edu/stsv-lab
Books: The Future of Science is Civic, Auditing AI, The Social Life of DNA, Genetics & the Unsettled Past, Body & Soul, Technicolor
Ted Underwood @tedunderwood.com Uses machine learning to study literary imagination, and vice-versa. Likely to share news about AI & computational social science / Sozialwissenschaft / 社会科学
Information Sciences and English, UIUC. Distant Horizons (Chicago, 2019). tedunderwood.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
Ashley Wolf @ SCaLE @ashleywolf.bsky.social Open Sourceress @GitHub
Chris Bannon @cabannon.bsky.social Gut Hormone Clinical Researcher University of Cambridge
Interested in use of AI in clinical research.
Used to be OK at running 5000m.
marimo @marimo.io An open-source reactive Python notebook: reproducible, git-friendly, execute as scripts, share as apps!
GitHub: https://github.com/marimo-team/marimo
Discord: https://marimo.io/discord?ref=bsky
Open Source Initiative @opensource.org The steward of the Open Source Definition, the foundation of the modern software ecosystem. We build a world where the freedoms and opportunities of Open Source software can be enjoyed by all. #OpenSource
Richard Littauer @richlitt.bsky.social PhD in CS at Te Herenga Waka, focusing on birds. Open source. Linguist and conlanger. eBird and iNat. SustainOSS and CURIOSS. He/him.
See https://burntfen.com for a list of things I did when I should have been doing other things.
Sayeed Choudhury @sayeedc.bsky.social "Find out what makes you kinder...what opens you up and brings out the most generous, and unafraid version of you." -- George Saunders
steph lieggi @slieggi.bsky.social 
Clare Dillon @claredillon.bsky.social Loves InnerSource and Open Source. 
GitHub @github.com The AI-powered developer platform to build, scale, and deliver secure software.
CURIOSS @curiossorg.bsky.social CURIOSS is a Community for University and Research Institution OSPOs. Our goals are to facilitate the networking and collaboration between CURIOSS representatives from universities and research institutions worldwide.
🌐 https://curioss.org/
zeynep tufekci @zey.bsky.social It is said that there may be seeming disorder and yet no real disorder at all
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.
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
Sasha Rush @srushnlp.bsky.social Professor, Programmer in NYC.
Cornell, Hugging Face 🤗
Patrick Kidger @patrickkidger.bsky.social 🚀 Doing something new. Curing uncured diseases.
🧪 antibodies+AI, neural ODEs, open-source JAX ecosystem.
👨💻 ex-{Cradle, Google, Oxford}.
📍 Zürich, Switzerland
Alejandro Coca-Castro @alejo-coca.bsky.social Research Fellow, The Alan Turing Institute | PhD #geography | Building disruptive tech #machinelearning #earthsciences tools with social impact #openscience | He/Him
Kate Crawford @katecrawford.bsky.social Professor, researcher, maker of things
Ian Goodfellow @ian-goodfellow.bsky.social Research Scientist at DeepMind. Opinions my own. Inventor of GANs. Lead author of http://www.deeplearningbook.org . Founding chairman of www.publichealthactionnetwork.org
Yoshua Bengio @yoshuabengio.bsky.social Working towards the safe development of AI for the benefit of all at Université de Montréal, LawZero and Mila.
A.M. Turing Award Recipient and most-cited AI researcher.
https://lawzero.org/en
https://yoshuabengio.org/profile/
Keith Webster @cmkeithw.bsky.social Dean of Libraries at Carnegie Mellon. Professional futurist. Speaker. Facilitator. Coach. Librarian. Running. Classical music.
British-American
@cmulibraries.bsky.social
@carnegiemellon.bsky.social
https://www.library.cmu.edu/
Philipp Schmid @philschmid.bsky.social Tech Lead and LLMs at @huggingface 👨🏻💻 🤗 AWS ML Hero 🦸🏻 | Cloud & ML enthusiast | 📍Nuremberg | 🇩🇪 https://philschmid.de
Juan Nunez-Iglesias @jni.fosstodon.org.ap.brid.gy Core dev and co-founder napari.org
Core dev scikit-image.org
Co-author elegant-scipy.org
Research Fellow at https://www.monash.edu/researchinfrastructure/eresearch […]
[bridged from https://fosstodon.org/@jni on the fediverse by https://fed.brid.gy/ ]
Clem Delangue 🤗 @clem.hf.co Co-founder and CEO at Hugging Face
Stefano Maffulli @maffulli.net Also an architect, GIS enthusiast, sailor.
Evan Peck @peck.phd 🦬🏔️ @cuboulder.info science prof
Vis / HCI - Designing data for the public.
📊❤️ PI: https://infovisions.github.io/
Previously: Bucknell CS prof, Tufts CS PhD
🔗 https://peck.phd/
Ian Cosden @iancosden.bsky.social Sr Director, Research Software Engineering at Princeton. US-RSE and #RSEng advocate
Data Umbrella @dataumbrella.org ◈ community
◈ data science & open source
◈ videos: https://youtube.com/@dataumbrella
◈ events: https://meetup.com/data-umbrella
◈ news: dataumbrella.substack.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
Peter Newbury @polarisdotca.bsky.social Educational developer at Red River College Polytechnic in Winnipeg, Canada. Happy to chat about active learning, inclusive teaching, and ⚾. Building a mid-Century modern house, accepting donations of Eames chairs 😉. He/him.
Dr. Chelle Gentemann @cgentemann.bsky.social Open Science Program Scientist at NASA HQ.
Some things I love: data, code, compute, AI, art, & open science.
More at: https://cgentemann.github.io/
All opinions here are my own.
Adrian Mulholland @adrianmulholla1.bsky.social Professor of Chemistry, University of Bristol. Computational chemistry,enzyme catalysis, biomolecular simulation,HPC,antibiotic resistance.Views my own.
Kyle Niemeyer, PhD @kyleniemeyer.bsky.social Associate Professor of Mechanical Engineering at Oregon State University (he/him). Research in combustion and fluid dynamics, numerical methods and HPC. Open science and open source software advocate. Big SF/F reader and DIY+woodworking enthusiast.
Carl Boettiger @cboettig.bsky.social Ecology, theory, computers. https://carlboettiger.info 
Jess Hamrick @jhamrick.bsky.social Researching planning, reasoning, and RL in LLMs @ Reflection AI. Previously: Google DeepMind, UC Berkeley, MIT. I post about: AI 🤖, flowers 🌷, parenting 👶, public transit 🚆. She/her.
http://www.jesshamrick.com