Rust Language @rust-lang.org A programming language empowering everyone to build reliable and efficient software.
Website: https://rust-lang.org/
Blog: https://blog.rust-lang.org/
Mastodon: https://social.rust-lang.org/@rust
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
Scott Wlaschin @scottwlaschin.bsky.social 
Martin Fowler @martinfowler.com Software Design Loudmouth. Works for Thoughtworks. Also hikes, watches theater, and plays modern board games. He/him.
host of https://martinfowler.com
Supernote @supernote.com For Those Who Write. For Those Who Create.
We're here to help: https://supernote.com/pages/contact-us
kepano @stephango.com making @obsidian.md
Obsidian @obsidian.md The free and flexible app for your private thoughts. For help and deeper discussions, join our community: http://obsidian.md/community
Zanie Blue @zanieb.bsky.social they/them — building Python developer tools in Rust at Astral
FastAPI @fastapi.tiangolo.com FastAPI framework, high performance, easy to learn, fast to code, ready for production. 🚀
Web APIs with Python type hints. 🐍
By @tiangolo.com 🤓
GitHub: https://github.com/fastapi/fastapi
Web: https://fastapi.tiangolo.com/
Brett Cannon @snarky.ca #Python core developer who also works on packaging; works on Python stuff at #Microsoft (although this is a personal account). Proudly #Canadian.
Alex Waygood @alexwaygood.bsky.social Software dev at OpenAI (formerly Astral) 🦀. Sometimes do freelance journalism: Guardian, Telegraph, openDemocracy. Python core dev in my spare time 🐍. Studied 🎶 a while back.
Hynek Schlawack @hynek.me Pythonista & PSF fellow 🐍🏆, Gopher 🐹, blogger 📝, speaker 📢, YouTuber 📺. ❤️ nuance & outcomes, 🗣️🇨🇿🇩🇪🇺🇸
• https://hynek.me/
• https://github.com/hynek
• https://www.youtube.com/@The_Hynek
• https://mastodon.social/@hynek
• https://x.com/hynek
Charlie Marsh @crmarsh.com Building Astral: Ruff, uv, and other high-performance Python tools, written in Rust.
Armin Ronacher @mitsuhiko.at Creator of Flask • earendil.com ♥︎ writing and giving talks • Excited about AI • Husband and father of three • Inhabits Vienna; Liberal Spirit • “more nuanced in person” • More AI content on https://x.com/mitsuhiko
More stuff: https://ronacher.eu/
Paul Moore @pfmoore.bsky.social Python core developer, pip maintainer, gamer (board and video), occasional guitarist
Shriram Balaji @shrirambalaji.com building distributed systems at @microsoft.com • tinkering with systems languages, databases and things on the web • musings at http://blog.shrirambalaji.com
Vitaly Bragilevsky @bravit.bsky.social Head of Rust Ecosystem at JetBrains
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.
Marcelo Trylesinski @marcelotryle.bsky.social The FastAPI Expert
Starlette & Uvicorn maintainer
🇧🇷🇮🇹🇺🇾
Kim Christie @lovelydinosaur.bsky.social 🍓 🍋 🍏 Engineer · Sensitive Wallflower · A Bit Ticklish
Samuel Colvin @sa.muelcolvin.com Building Pydantic Logfire - uncomplicated observability for Python. Sequoia Scout.
Sebastián Ramírez @tiangolo.com Creator of @fastapi.tiangolo.com, Typer, SQLModel, Asyncer, etc 🚀
From 🇨🇴 in 🇩🇪
Open Source, APIs, and tools for data/ML 🤖
Building @fastapicloud.com ⚡️
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!
Anthony Shaw @anthonypjshaw.bsky.social Technical Advisor at Microsoft. PSF Fellow. Creator of VS Code Pets and other useful software
さくさん @ch3cooh.jp Smartphone App Developer / iOS / Android / blog.ch3cooh.jp
Bluesky @bsky.app official Bluesky account (check username👆)
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