Awesome Open Source projects on Mastodon.
Open Source
The R Data Scientist
@[email protected]Posts about #rstats and data science. Weekly newsletter digest at https://rstats.blaze.email. Maintained by @alastairmrushworth.
The Mathematician
@[email protected]Posts and blogs about mathematics. Weekly newsletter digest at https://math.blaze.email. Maintained by @alastairmrushworth.
adafruit
@[email protected]Brooklyn, NY USA - Manufacturer, open-source hardware, certified Minority and Woman-owned Business Enterprise (M/WBE) Teaching, sharing, #engineering #DIY #electronics #opensource #opensourcehardware #hardware #python #circuitpython #arduino, #raspberrypi #art #hacking... account is managed by ladyada ptorrone no bots, all toots are from either ladyada or pt, blame them :)
xUnit.net
@[email protected]xUnit.net is a free, open source, community-focused unit testing tool for .NET.

Currently maintained by @bradwilson.
NV Access
@[email protected]Empowering lives through non-visual access to technology. NV Access is an Australian non-profit. We develop NVDA, a free, open source screen reader for Windows.
#NVDA, #NVDAsr, #A11y, #Accessibility
Energy Transition News
@[email protected]Bot account that posts links to news on the following topics: energy transition, renewables, photovoltaic, wind, geothermal, nuclear power, carbon tax and electrification.
Powered by the Flash instance at: https://notizie.calomelano.it (Flash is an open-source news platform with aggregation and ranking).
The BadgeFed Project
@[email protected]Official microblogging account for BadgeFed — an open, federated platform for issuing and verifying digital badges and community credentials across the #Fediverse.
Here we share quick updates, releases, experiments, and community highlights. Longer posts and full announcements live at @badgefed — and yes, the accounts boost each other so you won't miss anything.
Follow along for #DigitalCredentials #OpenBadges #Recognition #OpenSource #Federation
goiḃniu
@[email protected]#Gaeilge #NixOS #FreeSoftware Bogearraí Saoire Eite chlé #Esperanto #Ceol #Trad #TraditionalIrishMusic #Rothaíocht #Cycling
sé/siad
LinuxNews.de
@[email protected]Nachrichtenseite für Linux, Freie Software, und Open Source. News, Artikel und Meinung für Desktop und Enterprise.
root@linuxnews:~# rm -rf proprietary_software/ – weil Freiheit keine Dateierweiterung braucht.
speedata
@[email protected]speedata - open source typesetting software
pafurijaz
@[email protected]3D CAD modeler, opensource software user and Blender addict. Linux OS
devSJR
@[email protected]
background in #datasciene #bioinformatics #statistics #R #rstats #Python #forensics #pharmacology #precisionmedicine #fedi23 #RKWard #pharmabiotechnology #science
#tootfinder
#nobridge
twonly.eu
@[email protected]twonly, a privacy-friendly way to connect with friends through secure and instant image sharing.
Marc Prud'hommeaux
@[email protected]Creator of https://skip.tools (@skiptools)
Initiator of https://keepandroidopen.org
Founder of the App Fair Project (@appfair)
Board member of the F-Droid Project (@fdroidorg)
AlchemyCMS 🪄
@[email protected]Alchemy is the Open Source Rails CMS framework for the component based web that can be used as classic server side rendered or headless CMS.
NLnet Labs
@[email protected]Dutch #NonProfit foundation proudly serving the Internet community since 1999 with #OpenSource software for #DNS and #BGP. Applied research, open standards advocates, bridging technology and policy.
#Clang origins, now #rustlang aficionados. The people behind Unbound, NSD, Routinator, Cascade and much more...
Note: We are not @nlnet, nor are we funded by them or affiliated with them. Lots of 💚 for what they do though!
Godot Engine
@[email protected]
Your free, open-source game engine 🎮🛠️
Develop your 2D & 3D games, cross-platform projects, or even XR ideas!
ObsPy Dev Team
@[email protected]
We make code that lets other people make code that makes us understand the piece of rock we sit on better.
Or to put it in other words..
ObsPy is an open-source project dedicated to provide a Python framework for processing seismological data. It provides parsers for common file formats, clients to access data centers and seismological signal processing routines which allow the manipulation of seismological time series (see Beyreuther et al. 2010, Megies et al. 2011, Krischer et al. 2015).
Juno Jove
@[email protected]Level 46 tigress from Europa.
Game developer during the day, and game developer at night.
https://fennecs.NET ... the tiny, tiny, high-energy Entity Component System written in modern C#! Free and libre open source.
https://jupiter.blue ... a space privateering game about climate change, rescue, plunder and salvage in a post-human cyber/solar/biopunk world! (new website soon)
PGX, for #postgres consulting and support—because your data is your business.
PyOhio
@[email protected]PyOhio is an annual regional conference for the Python community that aims to bring people together from all over the Midwest US and beyond. Held continuously since 2008, PyOhio is run entirely by volunteer organizers and is always FREE to attend.
Toot w/ #PyOhio
PyOhio 2026 is scheduled for July 25-26 in Cleveland, OH.