BeeAI @beeaiagents.bsky.social AI agent development for the enterprise
https://beeai.dev
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
Waylon Walker @waylonwalker.com 👋 Hey there, I am Waylon Walker
I am a Husband, Father of two beautiful children, Senior Python Developer currently working in the Data Engineering platform space. I am a continuous learner, and share my learning in public.
waylonwalker.com
fokais.com
Martin Donath @squidfunk.com Founder of @zensical.org, creator of Material for MkDocs
Cohere Labs @cohereforai.bsky.social @Cohere.com's non-profit research lab and open science initiative that seeks to solve complex machine learning problems. Join us in exploring the unknown, together. https://cohere.com/research
Apache Iggy (Incubating) @iggy.rs Iggy is the persistent message streaming platform written in Rust, capable of processing millions of messages per second.
Apache Software Foundation (The ASF) @apache.org The global home for open source software, powering some of the world’s most ubiquitous software projects in web, big data, Java, IoT, cloud computing, and more. Learn more at https://apache.org.
OpenLineage @openlineage.bsky.social An open framework for data lineage collection and analysis, OpenLineage enables the consistent collection of lineage metadata for a deeper understanding of how data are produced and used across your data ecosystem.
Bluesky @bsky.app official Bluesky account (check username👆)
Bugs, feature requests, feedback: support@bsky.app
Cloud Native Computing Foundation (CNCF) @cncf.io Making cloud native ubiquitous
LF AI & Data @lfaidata.bsky.social Open Source Innovation in Artificial Intelligence, Machine Learning, Deep Learning, and Data
Apache Airflow® @airflow.apache.org Apache Airflow® is a platform created by the community to programmatically author, schedule and monitor workflows
CUE @cuelang.org CUE is an open source language for reliable configuration at scale. Prevent misconfiguration before it breaks production. Built and maintained by CUE Labs.
cuelang.org
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- 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 
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
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
PyData Prague @pydataprague.bsky.social A chapter of PyData in the beatiful city of Prague. http://pydata.cz
Firebolt @firebolthq.bsky.social Firebolt is the Analytical Database for Real-time Applications.
➡️ Get started @ firebolt.io
Hashboard @hashboard.com BI you'll love, managed like code - hashboard.com
Polars @pola.rs Dataframes powered by a multithreaded, vectorized query engine, written in Rust.
Atuin @atuin.sh Making the shell magical ✨🐢
https://atuin.sh
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
Arch Data, Inc @arch.dev Your AI Data Analyst
Makers of Meltano and other fine software
Sidequery @sidequery.dev Query & visualize CSV, Parquet & your Data Warehouse
BI for teams & free desktop app coming soon
sidequery.dev
Decodable @decodable.co Decodable is a serverless real-time data platform built on #ApacheFlink. No clusters to set up. No code to write. No PhD required.
Evidence @evidence.dev Business Intelligence as Code
🔗 evidence.dev
😺 github.com/evidence-dev/evidence
Quarto @quarto.org Open-source scientific and technical publishing system brought to you by posit.co.
github.com/quarto-dev/quarto-cli
matplotlib @matplotlib.org Python library for creating static, animated, & interactive visualizations. Chat w/ us @ https://discourse.matplotlib.org/
Sponsored by NumFocus
Observable @observablehq.com The data visualization company
Ai2 @ai2.bsky.social Breakthrough AI to solve the world's biggest problems.
› Join us: http://allenai.org/careers
› Get our newsletter: https://share.hsforms.com/1uJkWs5aDRHWhiky3aHooIg3ioxm
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.
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
GrowthBook @growthbook.io GrowthBook is an open-source feature flagging and experimentation platform. www.growthbook.io
ClickHouse @clickhouse.com ClickHouse is the fastest open-source OLAP database ⚡
Download: http://clickhouse.com
GitHub: http://clickhou.se/GitHub
Slack: http://clickhouse.com/slack
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
cube @cubedev.bsky.social a universal semantic layer
cube.dev
GitHub @github.com The AI-powered developer platform to build, scale, and deliver secure software.
Prometheus Monitoring @prometheus.io The leading open-source monitoring solution - prometheus.io
@dagster.io @dagster.io dagster.io | The Data Platform Orchestrator
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.
Graphext @graphext.bsky.social The most powerful Exploratory Data Analysis experience for data scientists for root cause analysis and building predictive models.
graphext.com
datajoely @datajoely.bsky.social 🔶 Kedro Maintainer
🤓 Nerd
DJ Patil @djpatil.bsky.social Former U.S. Chief Data Scientist
GP Great Point Ventures
Devoted Health, RelateIQ, LinkedIn
I build things 
Thomas Lin Pedersen @thomasp85.com Visualisation and graphics @posit.co
Classic Generative Art Weirdo using 🖤 and R: http://thomaslinpedersen.art and http://deca.art/thomasp85
he/him
Simon Willison @simon.fedi.simonwillison.net.ap.brid.gy Open source developer building tools to help journalists, archivists, librarians and others analyze, explore and publish their data. https://datasette.io […]
[bridged from https://fedi.simonwillison.net/@simon on the fediverse by https://fed.brid.gy/ ]
Hamel Husain @hamel.bsky.social evals evals evals. https://evals.info
Jenny Bryan @jennybryan.bsky.social Software engineer @posit.co, humane #rstats
Nathan Yau @flowingdata.com Playing with data, visualizing it for humans at flowingdata.com
Alison Presmanes Hill @apreshill.com apreshill.com
Product + Open Source + 1/3 of palmerpenguins team 🐧
Leading product @Pixeltable
Ines Montani 〰️ @inesmontani.bsky.social 💥 Founder & CEO @explosion.ai
👩💻 Developing spacy.io + prodi.gy + beta.ellf.ai
🐍 Python Software Foundation Fellow
⚡ Hacking @feministai.party
🧠 AI, Machine Learning & NLP
💼 linkedin.com/in/inesmontani
🐘 sigmoid.social/@ines
💥 explosion.ai
🌎 ines.io
Stephen Wolfram @stephenwolfram.bsky.social Creating ideas, science, technology, books, companies, ...
Martin Fleischmann @martinfleischmann.net Researcher. Cities, urban morphology, human geography & spatial data science. Open source software developer. #python #cities #open_science
https://martinfleischmann.net
José Luis Calvo Salanova @joselcs.bsky.social Artificial intelligence & exponential programming @ Diverger
Ex-Microsoft
Philosophy of science & theory of mind
Uri Shalit @urish.bsky.social Machine learning researcher, working on causal inference and healthcare applications
Gaia Marcus @gaiamarcus.bsky.social - Director @adalovelaceinst.bsky.social:ensuring data & AI work for ppl & society
- Stint in government - led #NationalDataStrategy; roles in Cabinet Office, ONS & MHCLG
- Charity roles inc. Samaritans Trustee; staff @ The RSA, Centrepoint, ParkinsonsUK
andnewman.bsky.social @andnewman.bsky.social Principal Data Specialist at the ODI. Formerly at DefraGovUK. Treasurer at 20th Sheffield Scouts. Geography geek. Husband & dad. Slightly epileptic.
Mine Doğucu @minedogucu.com teaching stats & data science by day • reading and writing stories by night • she/they/o/او • views my own • minedogucu.com • hellodata.science • datapedagogy.com • bayesrulesbook.com • ailurophile • bibliophile • cinephile
Christopher Manning @chrmanning.bsky.social Stanford Linguistics and Computer Science. Director, Stanford AI Lab. Founder of @stanfordnlp.bsky.social . #NLP https://nlp.stanford.edu/~manning/
Jerremy Holland @jerremy.bsky.social Director of AI Research at Apple. Board Chair for Partnership on AI. Photographer. Musician.
Sean Rober @srober.bsky.social Head of Data, nerd, semi-occasional lukewarm takes
Katie Baker @katiebaker.bsky.social ML & Data Engineering Consultant | Reader | Knitter
https://katieannbaker.com
Jesse Bridgewater @drbridgewater.bsky.social VP of Data Science at SoFi. 100x more excited about AI than concerned. EV conversions 🏎️⚡Before: Livongo, Twitter, Ebay, MSFT,...
Cody Blakeney ✈️ NeurIPS 2024 @codestar.bsky.social #Efficient AI
Research @MosaicML
Formerly Visiting Researcher @ Facebook Ph.D
#TXSTFOOTBALL fan
http://linktr.ee/code_star
Santiago Viquez @santiviquez.com ML @ NannyML. Writing “The Little Book of ML Metrics” https://www.nannyml.com/metrics?via=santiago
Personal website: https://www.santiviquez.com
elvis @eos.bsky.social Building with AI agents • Prev: Meta AI, Elastic, Galactica LLM, PhD • Prompting Guide (~6M+ learners) • I also teach how to build with AI: https://dair-ai.thinkific.com/
Marcus Lewis @probablymarcus.com AI, programming, neuroscience. Previously UMichCSE, Microsoft, Numenta, now working on a better user/code interface for scientific computing
https://probablymarcus.com
Patrick Assalé @patrickassale.bsky.social Ai Explorer
Colin Sullivan @colinsullivan.bsky.social Data Scientist, Natural Language Processing
Ravi Mody @ravimody.bsky.social ML and data nerd; personalization@Spotify 
Binal @binal.bsky.social ML and NLP, avid reader, aspirational gamer when my daughters asleep.
Data Science @ Sequoia Capital Global Equities
Matthew Kenney @baykenney.bsky.social Founder - Algorithmic Research Group. Previously: Senior ML Engineer at Apple, Asst. Research Prof at Duke University, Duke Data Science | PSU '15 | Cornell '11
Zachary Lipton @zacharylipton.bsky.social Cofounder & CTO @ Abridge, Raj Reddy Associate Prof of ML @ CMU, occasional writer, relapsing 🎷, creator of d2l.ai & approximatelycorrect.com
Jason Gu @jasongu.bsky.social In case bird app goes to hell. Lifelong Learner.
Skeets (lol) about AI, finance, and philosophy, views are my own.
Seth Juarez @sethjuarez.com I work in AI at Microsoft and GitHub. I like Machine Learning and the hot Mexican tamarind candy. Married to the beautiful Riva Juarez.
Leshem (Legend) Choshen @EMNLP @lchoshen.bsky.social 🥇 LLMs together (co-created model merging, BabyLM, textArena.ai)
🥈 Spreading science over hype in #ML & #NLP
Proud shareLM💬 Donor
@IBMResearch & @MIT_CSAIL