Open Source Stories @opensourcestories.org Open source is collaboration, communication, community, and more.
Our goal is to make the people of open source and their lived experiences more visible.
Find out more at opensourcestories.org
Chris Offner @chrisoffner3d.bsky.social Student Researcher @ RAI Institute, MSc CS Student @ ETH Zurich
visual computing, 3D vision, spatial AI, machine learning, robot perception.
๐Zurich, Switzerland
GitHub @github.com The AI-powered developer platform to build, scale, and deliver secure software.
Sofie Van Landeghem @oxykodit.bsky.social I'm a software developer, open-source maintainer and NLP engineer. I love data, coding, testing, developing ML models and getting sh*t done.
https://github.com/svlandeg
Will McGugan @willmcgugan.bsky.social CEO / Founder of https://textualize.io Hyperborean Python expert, author, humanist, husband, sometimes wildlife photographer. Carbonara aficionado. He/him. 
Sebastiรกn Ramรญrez @tiangolo.com Creator of @fastapi.tiangolo.com, Typer, SQLModel, Asyncer, etc ๐
From ๐จ๐ด in ๐ฉ๐ช
Open Source, APIs, and tools for data/ML ๐ค
Building @fastapicloud.com โก๏ธ
Mark Neumann @markneumann.xyz Head of ML at Orbital Materials. BC: Research/Eng at Allen Institute for AI.
markneumann.xyz
Daniรซl de Kok @danieldk.eu Machine Learning, Natural Language Processing, LLM, transformers, macOS, NixOS, Rust, C++, Python, Cycling.
Working on inference at Hugging Face ๐ค. Open source ML ๐.
@nielsrogge.bsky.social @nielsrogge.bsky.social ML Engineer at ML6 and Hugging Face
Marcelo Trylesinski @marcelotryle.bsky.social The FastAPI Expert
Starlette & Uvicorn maintainer
๐ง๐ท๐ฎ๐น๐บ๐พ
Patrick Arminio @patrick.wtf Strawberry GraphQL ๐ / PyCon Italia - London
Albert Villanova del Moral @albertvillanova.bsky.social Machine Learning Engineer @ Hugging Face
Olivier Grisel @ogrisel.bsky.social Software engineer at probabl, scikit-learn contributor.
Also at:
https://sigmoid.social/@ogrisel
https://github.com/ogrisel
Ned Batchelder @nedbat.com Python, Boston, mathy fun, juggling, autism parenting. https://nedbat.com
Matthew Honnibal @honnibal.bsky.social Computational linguist from Sydney and Berlin.
Author of the spacy.io NLP tools
Founder and CTO @explosion.ai
LinkedIn: linkedin.com/in/honnibal
Blog: honnibal.dev
Matt Massicotte @massicotte.org apple platform dev, outdoors, justice, games, he/him
Every problem has a simple wrong answer
https://github.com/mattmassicotte
https://www.massicotte.org
https://mastodon.social/@mattiem
Filip Rakowski @filrakow.ski Co-founder/CTO alokai.com (prev. Vue Storefront) โข storefrontui.io โข machalliance.org Tech Council โข YC Alumni โข Vue, Nuxt, Webperf, Devtools, DX, Open Source, eCommerce, sometimes Astro and AI
Dominik ๐ฎ @tkdodo.eu โ๏ธ Maintaining TanStack Query
๐ฎ https://query.gg
๐จโ๐ป Design Engineering @sentry.io
๐ Blog at https://tkdodo.eu
๐ฆ๐น Vienna, Austria
๐ง๐ฆ Father of two
Tanner Linsley @tannerlinsley.com โ๏ธ Sir Tan @TanStack.com ๐ TypeScript ๐ Web โ๏ธOpen Source Software๐กUI/UX/DX ๐ผCo-Founder @NozzleIO ๐จโ๐ฉโ๐งโ๐ฆ@Ch_JesusChrist
John O'Nolan @johnonolan.bsky.social Founder/CEO at @Ghost.org - Geographically restless.
Mostly posting about publishing, media, open source, JavaScript, Laravel, bootstrapping, SaaS, activitypub, and design. 
Maziyar PANAHI @maziyarpanahi.bsky.social AI x Healthcare | โค๏ธ #opensource | e/acc ๐ซ๐ท
Follow me on X: https://x.com/MaziyarPanahi
Micha @michareiser.bsky.social Engineer @ Astral
Prev: Biome, Facebook
Alex Waygood @alexwaygood.bsky.social Software dev at OpenAI (formerly Astral) ๐ฆ. Sometimes do freelance journalism: Guardian, Telegraph, openDemocracy. Python core dev in my spare time ๐. Studied ๐ถ a while back.
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.
David Berenstein @davidberenstein.bsky.social ML & DevRel @ Giskard & Pruna | ex HF ๐ค | ๐จ๐ฝโ๐ณ Cooking, ๐จ๐ฝโ๐ป Coding, ๐ Committing
konsti @konstin.bsky.social cat in your python packages โข he/him
Tom Aarsen @tomaarsen.com Sentence Transformers, SetFit & NLTK maintainer
Machine Learning Engineer at ๐ค Hugging Face
Pydantic @pydantic.dev The end-to-end AI engineering stack
AI observability at scale without fail with Pydantic Logfire. Iterate with Pydantic Evals. Build type-safe agents with Pydantic AI. Track costs with AI Gateway.
@fastapi.bsky.social @fastapi.bsky.social 
Explosion ๐ฅ @explosion.ai We specialize in developer tools & tailored solutions for AI & NLP. Makers of spacy.io, prodi.gy and beta.ellf.ai.
๐ explosion.ai
๐ผ linkedin.com/company/explosion-ai
๐ sigmoid.social/@explosion
๐บ youtube.com/c/ExplosionAI
Hynek Schlawack @hynek.me Pythonista & PSF fellow ๐๐, Gopher ๐น, blogger ๐, speaker ๐ข, YouTuber ๐บ. โค๏ธ nuance & outcomes, ๐ฃ๏ธ๐จ๐ฟ๐ฉ๐ช๐บ๐ธ
โข https://hynek.me/
โข https://github.com/hynek
โข https://www.youtube.com/@The_Hynek
โข https://mastodon.social/@hynek
โข https://x.com/hynek
Tania Allard @ixek.bsky.social Director Quansight Labs
โจ MLOps, OSS, Research Software Engineering
๐ GDE - ML @ Google | PSF fellow and vice-chair of the board of directors
Pyladies Global Council
๐ฑ Disability justice activist, feminist, neurodivergent, developer 
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
Seth Larson @sethmlarson.dev Python core developer, Security & Fellow of Python Software Foundation (@python.org) ๐ Minnesoootan, he/him, #Python, #opensource, #security #retrogaming
๐ https://sethmlarson.dev
๐ก๐Sviatoslove.pieโฅ๐บ๐ฆ#StandWithUkraine๐ | ัะบัะฐัะฝะตัั ะฝะฐ ััะถะธะฝั @webknjaz.me https://savelife.in.ua/en
Rabbit hole explorer & serial #FOSS maintainer: @aiohttp.org, ansible-core, CherryPy, pip-tools, pypi-publish, CPython.
๐๐ @bluebirrrrd.bsky.social
๐ฃ๏ธ๐บ๐ฆ๐บ๐ธ
๐ค๐จ๐ฟ๐ช๐ธ
https://github.com/sponsors/webknjaz
#opensource #ัะบัะฑะปั #ัะบััะฒั :wq
Prasad Chalasani @pchalasani.bsky.social Building:
Productivity tools for Claude-Code & other CLI agents:
https://github.com/pchalasani/claude-code-tools
Langroid - Multi-Agent LLM framework: https://github.com/langroid/langroid
IIT CS, CMU/PhD/ML.
Ex- ASU, Los Alamos, Goldman Sachs, Yahoo
Samuel Colvin @sa.muelcolvin.com Building Pydantic Logfire - uncomplicated observability for Python. Sequoia Scout.
David Hewitt @davidhewitt.dev Developing PyO3 to bring Rust ๐ฆ and Python ๐ together.
Working with the team at Pydantic to build software that developers love.
Rami Awar @iamrami.bsky.social Open source developer and content creator
โจ Simplifying data analysis and visualization
๐ Try it out: http://dataline.app ๐
Bernรกt Gรกbor @gjbernat.bsky.social Senior Software engineer @Bloomberg (from ๐ญ๐บ๐ท๐ด๐ฌ๐ง), living in Los Angeles ๐บ๐ธ @ThePsf fellow. Maintainer of many - http://bernat.tech/about (tox, virtualenv,...) Python packages. Opinions my own.
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
Henry Schreiner @henryiii.bsky.social Princeton RSE. Scikit-HEP, Scikit-build, PyPA/build, PyPA/cibuildwheel, pybind11, CLI11, & plumbum. Also on @henryiii@fosstodon.org and @henryschreiner3 (X).
Kim Christie @lovelydinosaur.bsky.social ๐ ๐ ๐ Engineer ยท Sensitive Wallflower ยท A Bit Ticklish
Yury Selivanov @1st1.dev Co-founder & CEO of Gel โข Python core developer โข PSF fellow โข async/await โข asyncio โข uvloop โข asyncpg โขโขโข @geldata.com โข github.com/1st1
ลukasz 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.
Frenck | Home Assistant & Smart Home @frenck.social A Human. Being. Him/He. Dad. Open Sourcerer. GitHub Star ๐
#HomeAssistant lead engineer. Passionate. Dedicated. Motto: Make a positive difference every single day. Be the change โค
Adam Johnson @adamj.eu ๐ด @djangoproject.com blogger and contributor
โ๏ธ Author of three books on Django and Git
๐ Django London co-organizer
๐ฌ๐ง London / ๐ต๐น Lisbon- N NumPy @numpy.bsky.social
Gina Hรคuรge @foosel.net ๐ Passionate code monkey ๐ฉโ๐ป Geek ๐ฎ Gamer ๐งโโ๏ธ Bouldering apprentice ๐ก Problem solver ๐ Python wrangler ๐ Creator & maintainer of OctoPrint
James Lamb @jameslamb.bsky.social I โค๏ธ open source. Working on LightGBM and RAPIDS.
Keep Chicago out your mouth.
he/him. This is me: https://github.com/jameslamb
nate @zzstoatzz.io oss dev tools + atproto
โฃ plyr.fm
โฆ waow.tech
โฆ blento.zzstoatzz.io
โฆ tangled.org/zzstoatzz.io
yooper โ umich โ chicago
Siddhant Goel @sgoel.dev Software Builder โข Open-source Maintainer โข Runner โข ๐ฎ๐ณ / ๐ฉ๐ช
๐ https://personalfinancespython.com
๐ฆ https://atprotoalternatives.com
๐ก https://sgoel.dev
๐ https://heycrew.work
๐ Munich Area, Germany
Philipp Rรผdiger @philippjfr.bsky.social ๐Principal Software Engineer @ Anaconda
โกCreator of Panel, Lumen AI, hvPlot & Bokeh Maintainer
๐๏ธ Social Democrat & Anti-Fascist
Rasul Kireev @rasulkireev.com builtwithdjango.com โ
djass.dev โ
awesome.lvtd.dev โ
pagefresh.lvtd.dev โ
filebridge.lvtd.dev โ
askhndigests.com โ
gettjalerts.com โ
gettalentleads.com
kepano @stephango.com making @obsidian.md
Michael Nielsen @michaelnielsen.bsky.social Searching for the numinous
Australian Canadian, currently living in the US
https://michaelnotebook.com
nilay patel @reckless.bsky.social Editor-in-chief of The Verge, host of Decoder, cohost of The Vergecast. I am in love with spectacle.
Stephanie Chan @scychan.bsky.social Staff Research Scientist at Google DeepMind. Artificial and biological brains ๐ค ๐ง 
Dan Savage @dansavage.bsky.social Host of the Savage Lovecast, author of Savage Love. "A deviant of the highest order!" โย The Daily Caller
@lastpositivist.bsky.social @lastpositivist.bsky.social Aspiring philosopher; tolerable human; "amusing combination of sardonic detachment & literally all the feelings felt entirely unironically all at once" [he/his]
hardmaru @hardmaru.bsky.social Co-Founder & CEO, Sakana AI ๐ โ @sakanaai.bsky.social
Visit โ https://sakana.ai/
Mark Hamill @markhamillofficial.bsky.social Believe in yourself! Work hard, never give up & anything's possible! OR: Kick back, relax & aim low: You'll never be disappointed...๐
Jakob Macke @jakhmack.bsky.social #AI4Science #CompNeuro #NeuroAI #SBI
www.mackelab.org @mackelab.bsky.social
ยท PI and Hector Fellow ELLIS Institute @ellisinsttue.bsky.social tue.ellis.eu
ยท Prof Uni Tuebingen @ml4science.bsky.social BCCN tue.ai
@rogergrosse.bsky.social @rogergrosse.bsky.social 
Alex Alemi @alexalemi.bsky.social Machine Learning Researcher
https://alexalemi.com
https://blog.alexalemi.com
Sebastian Farquhar @sebfar.bsky.social Senior Research Scientist at Google DeepMind. AGI Alignment researcher. Views my dog's.
@wellingmax.bsky.social @wellingmax.bsky.social 
Pierre-Alexandre Mattei @pamattei.bsky.social Research scientist, Inria. Statistical machine learning.
Luca Ambrogioni @lucamb.bsky.social Assistant professor in Machine Learning and Theoretical Neuroscience. Generative modeling and memory. Opinionated, often wrong.- J Joost van Amersfoort @joost.bsky.social
Bruno Mlodozeniec @brunokm.bsky.social PhD in Deep Learning at Cambridge. Previously Microsoft Research AI resident & researcher at Qualcomm. I want to find the key to generalisation.
Kristoffer Stensbo-Smidt @kstensbo.bsky.social Postdoc in Bayesian machine learning at the Technical University of Denmark. I used to think a lot about the universe.
Matthew Ashman @mashtro.bsky.social PhD student in the Machine Learning Group, Cambridge.
Yu-Chien Ning @yuchienn.bsky.social Researcher in Bayesian machine learning
Rianne de Heide @rdeheide.bsky.social Assistant Professor in Mathematical Statistics and Statistical Learning at the University of Twente. https://riannedeheide.github.io
Contralto, professional horn player, percussionist, wannabe long-distance runner, mother.
Paul Hagemann @yungbayesian.bsky.social PhD student at TU Berlin, working on generative models and inverse problems
he/him
Willi @willigo09.bsky.social Working on #SelfDrivingLabs at the Acceleration Consortium @ UofT. Former employee at dsm-firmenich working on self-driving labs for food applications. Interested in systems biology, microbial communities, ML/AI, software development, product management.
Dylan Sam @dsam99.bsky.social Machine Learning PhD Student at CMU | Student Researcher at Google | dsam99.github.io
Data Science Dad @datasciencedad.bsky.social Data Scientist. Voice of Reason. Dad of synesthetic composer Jacqueline Cordes jacquelinecordes.com
Chess, Poker, and Physics
Richi Paul @erpel.bsky.social phd student working on bayesian methods in bioimage analysis; @fz-juelich.de, @hds_lee & @lmu.de; bsc+msc in comp sci @univie.ac.at; based in karlsruhe; ripaul.github.io
Adam Fleischhacker @adam-fleischhacker.bsky.social Navigating life with smiles, skills, and an eye on better.
UD prof, inventor, app developer, entrepreneur.
https://causact.com
https://persuasivepython.com
https://emergencyhealthfix.com
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
Michael Deistler @deismic.bsky.social Machine Learning tools for neuroscience @mackelab.bsky.social.
sbi - Simulation-based inference @sbi-devs.bsky.social Community-maintained simulation-based inference (SBI) toolkit in PyTorch:
โข NPE, NLE & NRE
โข amortized and sequential inference
โข wide range of diagnostics
Posts written by @deismic.bsky.social & @janboelts.bsky.social.
๐ https://github.com/sbi-dev/sbi
Bertrand Charpentier @bertrand-sharp.bsky.social Founder, President & Chief Scientist @PrunaAI | Prev. @Twitter research, Ph.D. in ML @TU_Muenchen
Tommy Rochussen @rochussen.bsky.social Doctoral researcher at Helmholtz AI supervised by Vincent Fortuin. University of Cambridge engineering graduate. Probabilistic machine learning.
sheev13.github.io
Andrew Gordon Wilson @andrewgwils.bsky.social Machine Learning Professor
https://cims.nyu.edu/~andrewgw
Zhidi Lin @zhidilin.bsky.social Research Fellow @HKU ๐ญ๐ฐ | Machine Learning | Generative Models | Bayesian Inference
๐ https://zhidi-lin.github.io/
๐ฆ https://x.com/Zhidi_LIN
Carl Allen @carl-allen.bsky.social Laplace Junior Chair, Machine Learning
ENS Paris. (prev ETH Zurich, Edinburgh, Oxford..)
Working on mathematical foundations/probabilistic interpretability of ML (what NNs learn๐คทโโ๏ธ, disentanglement๐ค, king-man+woman=queen?๐โฆ)
Gintare Karolina Dziugaite @gkdziugaite.bsky.social Sr Research Scientist at Google DeepMind, Toronto. Member, Mila. Adjunct, McGill CS. PhD Machine Learning & MASt Applied Math (Cambridge), BSc Math (Warwick). gkdz.org 
Osvaldo Martin @aloctavodia.bsky.social Research Fellow at Aalto University. Open source contributor #ArviZ, #Bambi, #Kulprit, #PreliZ, #PyMC, #PyMC-BART.
Support me at https://ko-fi.com/aloctavodia
https://bayes.club/@aloctavodia
Javier Burroni @jburroni.bsky.social โMachines take me by surprise with great frequencyโ A. M. T.
David Rรผgamer @davidruegamer.bsky.social Associate Prof @ LMU Munich
PI @ Munich Center for Machine Learning
Ellis Member
Associate Fellow @ relAI
-----
https://davidruegamer.github.io/ | https://www.muniq.ai/
-----
BNNs, UQ in DL, DL Theory (Overparam, Optim), Sparsity, TabFMs
Leiv Rรธnneberg @ltronneberg.bsky.social Postdoctoral fellow @ University of Oslo (back home in ๐๏ธ๐ณ๐ด๐๏ธ), Bayesian stats (high-dimensional, nonparametric, ML), biostatistics, computation. Previously @ MRC Biostatistics Unit, University of Cambridge ๐ฌ๐ง
Robin Ryder @robinryder.bsky.social Mathematician at Imperial College London. Bayesian statistics, Data science, Languages, Phylogenies.
Ioannis Kontoyiannis @kontoyiannis.bsky.social Information theory, probability, statistics. Churchill Professor of Mathematics of Information @UofCambridge: dpmms.cam.ac.uk/person/ik355/ ๐งฎ #MathSky ๐งช #Science
[used to be @yiannis_entropy at the other place]
Louis Sharrock @louissharrock.bsky.social Lecturer (Assistant Prof) in Statistical Science at UCL.
Previously Postdoc @ Lancaster Uni, PhD @ Imperial College London, MA @ Cambridge Uni.
Interested in computational stats, probabilistic ML, optimisation.
Website: https://louissharrock.github.io/- H Michael Tran @huytransformer1.bsky.social
Adrien Corenflos @adriencorenflos.bsky.social Assistant Professor at the university of Warwick.
I compute integrals for a living.
https://adriencorenflos.github.io/
Emily Byun @yewonbyun.bsky.social PhD Student in Machine Learning at CMU. yewonbyun.github.io