The most popular Open Source projects on Mastodon.
Open Source
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).
Open Source Programme Office
@[email protected]The go-between for all things open source in the European Commission
Fedilab Apps
@[email protected]This account is dedicated for news about FOSS apps: Fedilab, TubeLab, UntrackMe, OpenMultiMaps
Tuta
@[email protected]Tuta is a secure email, calendar and drive provider with quantum-safe encryption. Open source & forever free! 🔒
Visit us 👉 http://tuta.com
Made with ❤️ in Europe
.NET
@[email protected]Free. Cross-platform. Open source. A developer platform for building all your apps. Run by the .NET Community team at Microsoft.
Linux Guides
@[email protected]YouTube Kanal mit wöchentlichen Videos rund um Linux- und Open Source. Die Videos sind sowohl für Anfänger, als auch teilweise für Fortgeschrittene gedacht.
IceCubesApp
@[email protected]#IceCubesApp, an open source, collaborative, #SwiftUI #Mastodon client.
https://github.com/Dimillian/IceCubesApp made by @dimillian
Download it on the App Store: https://apps.apple.com/us/app/ice-cubes-for-mastodon/id6444915884
Jami
@[email protected]The distributed universal and secure Free Software for multimedia communications by Savoir-faire Linux and the GNU community.
Python Bytes
@[email protected]A Python podcast covering recent developer headlines. Hosted by @mkennedy.
9to5Linux
@[email protected]We provide breaking news for the latest GNU/Linux distribution and Open Source app releases, latest kernel releases, Raspberry Pi news, Linux tutorials and reviews, Linux hardware, and more.
Help keep 9to5Linux alive! Buy us a ☕️ https://ko-fi.com/9to5linux
Nextcloud 📱☁️💻
@[email protected]A safe home for all your data, community-driven & open source!
https://nextcloud.com
Join us at https://help.nextcloud.com and https://github.com/nextcloud 😊
SimpleX Chat
@[email protected]SimpleX: the first network where you own your identity, contacts, and groups. Secure / decentralized / open-source. Get the app: https://simplex.chat/downloads
Security assessments:
2022: https://simplex.chat/blog/20221108-simplex-chat-v4.2-security-audit-new-website.html
2024: https://simplex.chat/blog/20241014-simplex-network-v6-1-security-review-better-calls-user-experience.html
Jellyfin
@[email protected]The Free Software Media System. Available on GitHub. Sometimes referred to as Jeff. Not to be confused with Jif. Toots by @[email protected] (TZ America/Toronto). Replies may be slower during the day.
Invidious
@[email protected]Invidious is an open source alternative front-end to YouTube.
Account is ran by @TheFrenchGhosty and @SamantazFox
Free Software Foundation
@[email protected]Fighting for essential rights and freedoms for computer users since 1985. https://fsf.org
QGIS
@[email protected]Official account of QGIS - the user friendly Open Source Geographic Information System
Open Source Initiative 
@[email protected]
The OSI is the authority that defines Open Source, recognized globally by individuals, companies, and by public institutions.
Proton
@[email protected]Official Proton account, creator of Proton Mail, Proton Drive, Proton Pass, Proton VPN, Proton Wallet, Proton Meet, and Lumo.
Support queries are handled by our Customer Service Team: https://proton.me/support
The Late Night Linux Family
@[email protected]Podcasts about Linux, open source, systems administration, development, and cloud.
It's FOSS
@[email protected]World's leading Linux and Open Source web portal.
https://itsfoss.com/
GPUOpen
@[email protected]Read the latest news from the #GPUOpen team. Discover your best graphics performance by using our #opensource effects, SDKs, tools, and tutorials.