letsencrypt (Twitter)

A free, automated, and open Certificate Authority (CA).

openstreetmap (GitHub)

LineageOS (GitHub)

osmandapp (GitHub)

libreoffice (Twitter)

https://t.co/eRtpJJ5td6 Free, powerful and open source office suite by The Document Foundation …

Wikipedia (Twitter)

Official Twitter account for the sum of all knowledge, Wikipedia. More on our social media: …

mozthunderbird (Twitter)

The free and open source email client to easily manage your personal and professional email …

inkscape (Twitter)

An #OpenSource vector drawing app for Windows, MacOS & Linux. Similar to Illustrator, always free …

AntennaPod (GitHub)

mozilla (Twitter)

A non-profit with one mission: defend the free and open web. Makers of @Firefox. Subscribe to our …

openstreetmap (Twitter)

OpenStreetMap is the free editable map of the whole world. It is made by people like you.

Debian (GitHub)

See https://github.com/Debian/README.Debian for details

play0ad (Twitter)

0 A.D. is a free, open-source game of ancient warfare, created by Wildfire Games, an international …

videolan (GitHub)

EFF (Twitter)

We're the Electronic Frontier Foundation. We defend your civil liberties in a digital world.

godotengine (GitHub)

Godot is a popular Free and Open Source game development engine and toolset.

fsfe (Twitter)

Free Software Foundation Europe is a charity that empowers users to control technology.

uBlockOrigin (GitHub)