Andrew Nesbitt @andrewnez.bsky.social Working on mapping the world of open source software https://ecosyste.ms and empowering developers with https://octobox.io
Mostly posting on https://mastodon.social/@andrewnez
Jacob Coffee @scriptr.dev Director, Engineering @ The PSF (thoughts my own)
@pypi.org, @pycon.us, @python.org, all the fun Python things
- Helping maintain @Litestar.dev, r/Python, and other fun things
- Serial starter of unfinished projects
- Foodie
Listifications @listifications.app Follow me to receive notifications via DM whenever you're added to a starter pack, block list, feed or when someone blocks your account.
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Andreas ๐ @andreas-jung.com AI Leadership | #no-AFD | Python | Plone | Supporter Die Grรผnen | EE | fรคhrt elektrisch | Feindbild der Linken, weil nicht links genug | Gay |
Dagmar Meyer (aka @dagmarmichaela@nrw.social) @dagmarmichaela.bsky.social Policy Adviser at the European Research Council Executive Agency, dealing in particular with issues related to Open Science - all views expressed are my own. https://orcid.org/0000-0002-2094-0230
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.
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
Katharina Schrรถer @katharinaschroeer.bsky.social TT-Prof at Uni Freiburg, head of Climate Geography Lab CliG. Climatology and impacts of extreme events. Severe convective weather and hail. Interested in climate across scales, Python & mountains. Mom of two. ๐๐๐๐ฉ๐ผโ๐ป๐ฉ๏ธโ๏ธ๐๏ธ
William Woodruff (1.3.6.1.4.1.55738) @yossarian.net skeeting in accordance with the universal law.
yossarian.net / blog.yossarian.net
OpenCitations @opencitations.bsky.social An open scholarly infrastructure organization dedicated to the publication of open bibliographic and citation data #OpenScience 
pvergain @pvergain.bsky.social "Il n'y a ni justice ni libertรฉ possibles lorsque l'argent est toujours roi." #AlbertCamus #LeftRenewal
- https://linkertree.frama.io/pvergain/
RIP #AaronSwartz #DavidGraeber #VivianSilver
#LogicielLibre #Python #Django #sphinx #Linux #Debian
Protomaps @protomaps.com The world in a file. Open source!
more: https://protomaps.com
GitHub: https://github.com/protomaps
posts by @bdon.org
Emma @emmatyping.dev Python Core Dev & Rust for CPython co-lead. mypy core team. Former quantum compiler engineer, now at NVIDIA working on Python & packaging. Opinions my own.
๐ณ๏ธโโง๏ธ
https://emmatyping.dev
Masto: @emmatyping@hachyderm.io
Profile pic by Caleb Rippetoe
she/her
PyLadies Berlin @pyladiesberlin.bsky.social PyLadies Berlin is a volunteer-led group bringing diversity to the Berlin Python community through talks, workshops and social events๐ฉ๐ฝโ๐ป๐ฉ๐ปโ๐ป๐๐ฉ๐ช
Derek Law @gisbandit.bsky.social Product Manager at Esri | Interests #GIS, #HealthGIS, #Maps, #DataViz - O Oliver Kohlbacher @okohlbacher.bsky.social Bioinformatician and nerd ๐
Open Future @openfuture.bsky.social A think tank that develops strategies and policies for cultivating #DigitalCommons.
https://openfuture.eu/
Paul Keller @paul.eurosky.social Director of Policy at Open Future, President of the COMMUNIA association for the Public Domain. Advocate for more open, just & inclusive digital policies in ๐ช๐บ & beyond. Collector of collateral knowledge, ยฉ nerd, cyclist.
Adam Cox @mradamcox.bsky.social GIS and map enthusiast โข geospatial software developer @ Healthy Regions & Policies Lab, UIUC โข open source by default โข crowdsourced mosaicking Sanborn maps @OldInsuranceMaps.net โข based in New Orleans, LA
Brandon โโ
โช @bdon.org building a new map of the world at @protomaps.com
cartographic tools, neogeography, systems programming, @recursecenter.bsky.social, https://80s.nyc
https://bdon.org
https://www.are.na/bdon
https://github.com/bdon
๐ NYC
PyCon US @pycon.us PyCon US is a community-focused conference for Python users and developers. Join us in Long Beach, CA from May 13 - May 19, 2026!
Shirley Wu @shirleywu.studio chinese-american artist, software engineer, dataviz designer, keynote speaker, published author && a work-in-progress learning to take up space โจ
๐ shirleywu.studio
Wes McKinney @wesmckinney.com Principal Architect @posit.co, GP Composed Ventures, Co-founder Voltron Data. Open source: Apache Arrow, pandas, Ibis. "Python for Data Analysis" book
CSDMS @csdms.bsky.social The Community Surface Dynamics Modeling System (CSDMS) - Explore Earth's surface with community software: https://csdms.colorado.edu
The PyPy Project @pypyproject.bsky.social The developers of the PyPy project: a fast, compliant, open source Python interpreter.
https://pypy.org/
https://github.com/pypy/pypy
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.
Umbruch Bildarchiv @umbruchb.bsky.social bringt Bilder in Bewegung
Voilร : Francis Gagnon @chezvoila.com Information design and data visualization studio focused on the environment, social development, and governance.
Montreal (since 2013).
English and French
Interactives, dashboards, reports, presentations, training
Posts by Francis Gagnon, founder
Corina Pahrmann @buchstabensucht.bsky.social Schreibt, liest, lรคuft, tanzt und zieht ein Junges auf. Nicht in dieser Reihenfolge.
Kristian Glass @doismellburning.bsky.social Hire me to run your tech org. @PyConUK Treasurer. @UKPython Trustee. Pythonista Arsonist. Tweets barely represent me, let alone anyone else. 2E0KGG. He/him.
@kristianrother.bsky.social @kristianrother.bsky.social 
HLRS - High-Performance Computing Center Stuttgart @hlrs-hpc.bsky.social We support national and EU researchers from science and industry by providing HPC services, platforms, and technologies.
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.
Pillow @pillow.fosstodon.org.ap.brid.gy Pillow is the Python imaging library
๐ bridged from โ https://fosstodon.org/@pillow, follow @ap.brid.gy to interact
Fabian Kern @fabiankern.bsky.social digital publishing professional, consultant & trainer. hier weitgehend privat, publishing-gedรถns nicht ausgeschlossen.
Project Jupyter @jupyter.org Multi-language interactive computing environments. Jupyter Notebook, JupyterLab and related projects โ @mentions not monitored. Open issues on GitHub.
Paige Bailey (webpaige.dev) @dynamicwebpaige.bsky.social โจ Keep it simple, make it scale. AI should be about empowering users and building understanding. ๐ฉโ๐ป AI Developer Experience @ Google DeepMind, ex-Github, ex-Google
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 [โฆ]
[bridged from https://fedi.simonwillison.net/@simon on the fediverse by https://fed.brid.gy/ ]
Visual Studio Code @vscode.dev The open source AI code editor
Daniel Roy Greenfeld @daniel.feldroy.com Writes at daniel.feldroy.com
Use to work for NASA and kraken.tech ๐
Co-Author of Two Scoops of Django ๐
Husband of Audrey Roy Greenfeld https://bsky.app/profile/audreyfeldroy.bsky.social ๐ช
Father of Uma ๐งธ
KwonHan Bae ( KO only ) @darjeeling.bsky.social Pythionisa
Korean Speaking Only Account
Christopher Neugebauer @chrisjrn.fyi Man about the world; Expatriated Tasmanian living in California; conference organiser: (@NorthBayPython.org) previously (PyCon AU) and linux.conf.au; #python fan; multiple @python.org hats; queer; ๐ @robin.riley.pub
see also: @fedi.chrisjrn.fyi
FastAPI @fastapi.tiangolo.com FastAPI framework, high performance, easy to learn, fast to code, ready for production. ๐
Web APIs with Python type hints. ๐
By @tiangolo.com ๐ค
GitHub: https://github.com/fastapi/fastapi
Web: https://fastapi.tiangolo.com/
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.
Polars @pola.rs Dataframes powered by a multithreaded, vectorized query engine, written in Rust.
kscottz @kscottz.bsky.social Engineer: mainly robots and computer vision stuff. Developer advocate for ROS at Open Robotics. Open Source Hardware Association board member. Lover of rats and plants. 
Alla Barbalat @allab.bsky.social Developer Advocate | Former Lawyer
Darcy DeClute | Scrumtuous @scrumtuous.com Pythonista, Mojo lover for AI & ML, Java developer, Scrum Master and author of the best-selling Scrum Master Certification Guide. Looking forward to making friends in a supportive community. (I'm @Scrumtuous on all platforms, including YouTube. Subscribe!)
Kelly Paredes @kellypared.bsky.social Educator | 26 years of experience inspiring students through science, design, coding, AI, and robotics. Co-host of @teachingpython.fm podcast. #EdTech #AI #STEMEducation
Sean Tibor @seantibor.com Co-host of @teachingpython.fm podcast and also a cloud engineer for a very large snack company. My opinions are my own.
Rodrigo Girรฃo Serrรฃo ๐๐ @mathspp.com I'll help you take your Python skills to the next level!
Python deep dive every Monday ๐๐ -> https://mathspp.com/insider
Short daily drop of Python knowledge ๐๐ง -> https://mathspp.com/drops
Naomi Ceder @naomiceder.tech aspiring classical & jazz(!) guitarist, past chair of PSF, author of the Quick Python Book https://mng.bz/ZlYR.
One of "those people".๐ณ๏ธโโง๏ธ
English, espaรฑol, portuguรชs, ฮตฮปฮปฮทฮฝฮนฮบฮฌ, & franรงais... more or less ;-) ๐ช๐ธ๐ง๐ท๐ฌ๐ท๐ซ๐ท
Kevin Markham @dataschool.io Teaching Data Science ๐ค with Python ๐ since 2014
Courses: https://courses.dataschool.io
Newsletter: https://tuesday.tips
Videos: https://www.youtube.com/@dataschool
Living in beautiful Asheville, North Carolina ๐ฒ
Reindert-Jan Ekker @codesensei.bsky.social Code Sensei | Python Trainer and Developer | Pluralsight Author | Dev Coach | Dev Mentor | Helping Teams to professionalise
Anthony Shaw @anthonypjshaw.bsky.social Technical Advisor at Microsoft. PSF Fellow. Creator of VS Code Pets and other useful software
Redowan Delowar @rednafi.com Roving amateur fumbling through software, systems, & sundry.
Engineering @Doordash/Wolt
Writing rednafi.com
Currently in Berlin, Germany
Kevin Cunningham @dolearning.dev Developer educator | Helping dev teams keep their JS/TS, Python and Java sharp (sometimes PHP and Golang too)
https://kevincunningham.co.uk
๐Northern Ireland
Bob Belderbos @bbelderbos.bsky.social Helping developers master Python, Rust & AI by building production-grade software
Co-founder @ Pybites โข 20 years building software
Mason Egger @mason.dev On my business card, I am a Solutions Architect
Temporal. In my mind, I am an engineer. But in my heart, I am a teacher | PyTexas organizer | ๐ณ๏ธโ๐๐
L Ramalho ๐ @ramalho.org Author of Fluent Python. Co-founder of Garoa Hacker Clube. H0 train operator.
Eric Matthes @ehmatthes.bsky.social Programmer, writer, teacher... I also like the outdoors. :)
I write a weekly Python newsletter, at www.mostlypython.com. I'm also the author of Python Crash Course, from No Starch Press.
Kyle @kylestratis.com ๐ Data, AI/ML, and Cloud consultant @ Stratis Data Labs
๐ VPEng @ Sequel Institute
๐ค Startup advisor
โ๏ธ Writing about MCP
๐ Python
โ๏ธ AWS
๐งโโ๏ธ Elixir
๐ทHam radio
๐บ๐ธโ๐ฌ๐ท [Boston // Athens]
Mostly tech things here
https://sifa.id/p/kylestratis.com
Max Rohowsky, Ph.D. @maxrohowsky.com Obsessed with SaaS customer acquisition and building leverage โข Bootstrapping crosspublish.com โข Previously corp. consultant and university lecturer
X Profile: https://x.com/MaxRohowsky
Mario Munoz (has moved) @pythonbynight.fosstodon.org.ap.brid.gy Moved to [@]pythonbynight[@]hachyderm.io
[bridged from https://fosstodon.org/@pythonbynight on the fediverse by https://fed.brid.gy/ ]
tushar.pyc @tush.ar Metaprogramming โข Python / Zig / DevTools guy
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.
Pandy Knight @automationpanda.bsky.social ๐ผ AutomationPanda.com
๐ต Sr. Dir of Product Mgmt at Cycle Labs
๐ญ Playwright Ambassador
๐ถ French Bulldog owner
๐ Vintage VW enthusiast
๐ง Bubble tea connoisseur
David Brownman @xavd.id Software developer, tinkerer, enthusiast. Currently slinging bits at Stripe.
For my media reviews, see: @david.reviews.
Blog & more: https://xavd.id
Jonathan Striebel @jstriebel.bsky.social Code Enthusiast & Software Engineer, he/him.
๐ป Python, Medical Image Processing, Distributed Computing, Data Science & ML
๐ jonathanstriebel.de
๐ codical.org
David Aronchick @ironyuppie.com CEO, Expanso. Prev: Protocol Labs, MSFT, K8s, Kubeflow, GOOG, AMZN, etc. 4x founder/CEO. The universe is a vector in Hilbert space.
David Asboth @davidasboth.com Data generalist, educator, author of The Well-Grounded Data Analyst (Manning, 2025). Co-host of the Half Stack Data Science podcast.
Michiel Bontenbal @mpbontenbal.eurosky.social Complex beings as us humans can not be summarised in a few lines but I am here for #AI #climate #EUtech #EU_politics. And geopolitics, unfortunately. Lecturer in AI & IT. Some posts in Dutch. ๐ช๐บ
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 Munich Area, Germany
Jodie Burchell @t-redactyl.bsky.social Former clinical psychologist, current data scientist. Developer ๐ฅ at JetBrains. Loves data, cats and dinosaurs. Opinions are my own.
pytest.org @pytest.org The pytest framework makes it easy to write small tests, yet scales to support complex functional testing for applications and libraries.
http://github.com/pytest-dev/pytest
Also on https://fosstodon.org/@pytest
@pyladiescon.bsky.social @pyladiescon.bsky.social 
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
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
Data Umbrella @dataumbrella.org โ community
โ data science & open source
โ videos: https://youtube.com/@dataumbrella
โ events: https://meetup.com/data-umbrella
โ news: dataumbrella.substack.com/
conda-forge @conda-forge.org A community led collection of recipes, build infrastructure and distributions for the conda package manager.
https://conda-forge.org
NetworkX @networkx.bsky.social Python package for the creation, manipulation, and study of the structure, dynamics, and functions of complex networks.
scikit-learn @scikit-learn.org Machine learning in Python โข Open Source
https://scikit-learn.org
Real Python @realpython.com Online #Python Training & Expert Community: Tutorials, Video Courses, Books, Quizzes...and More! Join 1M+ Pythonistas at http://realpython.com- C CuPy @cupy.bsky.social NumPy & SciPy for GPU.
๐ https://cupy.dev/
๐ ๏ธ https://github.com/cupy/cupy
Plotly @plotly.com Plotly builds data visualization tools and platforms for analysts, engineers, scientists, and coding agents you work with.- N NumPy @numpy.bsky.social
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.
matplotlib @matplotlib.org Python library for creating static, animated, & interactive visualizations. Chat w/ us @ https://discourse.matplotlib.org/
Sponsored by NumFocus
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
PyCon DE & PyData @pyconde.bsky.social Join 1500 ๐ ๐ค ๐ฆ at our annual Python & PyData conference 23.-25.04.2025 in Darmstadt / Frankfurt. https://pycon.de
Python Package Index @pypi.org The Python Package Index (PyPI) is the repository of software for the Python programming language. Pronounced ๐ฅง ๐ซ ๐๏ธ
MyST Markdown @mystmd.org Markdown with superpowers for writing scientific ๐จโ๐ฌ and technical ๐papers. #OpenSource & maintained by Project #Jupyter.
Samuel Colvin @sa.muelcolvin.com Building Pydantic Logfire - uncomplicated observability for Python. Sequoia Scout.
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
Matt Harrison @dunder-matt.bsky.social Python and data corporate trainer, author, ...
Jim Crist-Harif @jcristharif.bsky.social ๐ OSS
Proud Minnesotan. Jewish. Dad. He/Him.
@pamelafox.bsky.social @pamelafox.bsky.social 
Allen Downey @allendowney.bsky.social Former professor at Olin College, principal data scientist at PyMC Labs, author of Think Python, and Probably Overthinking It -- blog and book -- and stark raving Bayesian.
Dr Becky Smethurst @drbecky.bsky.social Astrophysicist studying how supermassive black holes affect galaxies (s/h). I get overly enthusiastic about space (and cats) on YouTube: http://www.youtube.com/drbecky
Python Bytes @pythonbytes.fm A Python podcast covering recent developer headlines. Hosted by @mkennedy.codes and @brianokken.bsky.social. Listen to all the episodes and subscribe at https://pythonbytes.fm/