Awesome Open Source accounts on Mastodon.
Open Source
The Tor Project
@[email protected]We advance human rights and defend your privacy online through free software and open networks.
European Commission
@[email protected]News and information from the European Commission. A project to foster our presence in the fediverse and support our commitment to European social media platforms based on open source technology. 🇪🇺 Official Mastodon account as verified by the official EU domain in our server’s address (https://europa.eu).
GrapheneOS
@[email protected]Open source privacy and security focused mobile OS with Android app compatibility.
It's FOSS
@[email protected]World's leading Linux and Open Source web portal.
https://itsfoss.com/
nixCraft 🐧
@[email protected]Enjoy Linux & Unix-like systems, open-source software, and programming? Into Sysadmin & DevOps? Follow us to make the most of your IT career! Discover new tools, IT news, and apps daily, plus a dose of humor.
Molly
@[email protected]Born from Signal, built for freedom. Molly is an independent Signal fork for Android, with a strong focus on security and hardening.
Christine Lemmer-Webber
@[email protected]Executive Director of @spritely (but this is a personal account). I'm here to fix the Internet.
ActivityPub co-author, co-host of @[email protected]. Lisp sourceress, decentralized network architect, occasional Blender artist. she/her https://dustycloud.org/
Recently moved here from @[email protected]
Lovely banner sketch by @juliaro https://mastodon.art/@juliaro/114489465896761273
F-Droid
@[email protected]F-Droid is an installable catalogue of FOSS (Free and Open Source Software) applications for the Android platform.
Morevna Project
@[email protected]Animation studio which develops and improves open-source software. Creator of "Morevna" sci-fi anime series and other open-source animated shorts.
CoMaps - Hike, Bike, Drive
@[email protected]Navigate with Privacy - Discover more of your journey - Powered by the community
A community map navigation app. Easy and free offline navigation for travelers.
• Transparency
• Open Source
• Community-first
• Privacy-focused
• Not-for-profit
• Community funded
Blender 🔶
@[email protected]Official account for the Free and Open Source 3D creation suite. Free to use for any purpose, forever.
Godot Engine 
@[email protected]
Your free, open-source game engine 🎮🛠️
Develop your 2D & 3D games, cross-platform projects, or even XR ideas!
Open Source Business Alliance
@[email protected]Open Source Business Alliance - Bundesverband für digitale Souveränität e.V.
#lgbt+
#IPlawyer
#EUtruebeliever
I don’t stream music or use Big Tech services. I run a law office in Warsaw on open-source software.
Books, radio, nature, climbing, sailing, cross-country skiing, women’s soccer. Among others.
--
Photo: my dog shaking herself dry after a swim in the lake.
In the background: the calm Baltic Sea in autumn, with ships anchored far out in the roadstead off Gdańsk, Poland. The photo came out a little crooked.
Andrew Zonenberg
@[email protected]Security and open source at the hardware/software interface. Embedded sec @ IOActive. Lead dev of ngscopeclient/libscopehal. GHz probe designer. Open source networking hardware. "So others may live"
Toots searchable on tootfinder.
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!
Kielux
@[email protected]Wir organisieren die Kieler Open Source und Linux Tage und weitere Veranstaltungen rund um freie Software in Kiel.
Die nächste Konferenz findet vom 17. bis zum 19. September 2026 statt.
B1 Systems GmbH
@[email protected]Wir bieten Training, Consulting, Development, Managed Service & Support rund um Linux und Open Source 🐧 ✨
Heroic Games Launcher
@[email protected]An Open source GOG and Epic Games Launcher for Linux, Windows, and macOS.
ploum
@[email protected]Joue de la machine à écrire dans un one-man-band pour défendre la liberté et l’imaginaire. Auteur de #Bikepunk.
Write SF and #cyberpunk books, free software and texts about freedom.
Pédale. Plonge dans l’eau froide.
Also on Gemini: gemini://ploum.net
Koop.net.pl
@[email protected]Kooperatywa sieciowa IT
Wspólnie zbudujmy Twój następny projekt internetowy.
#WebHosting #VPS #BareMetal #WordPress #Ghost #Castopod #Astro #Nuxt #VUE #Nextcloud #Keila #WebDesign #SelfHost #OpenSource #FOSS
Profil prowadzi @m0bi