letsencrypt (Twitter)

A nonprofit Certificate Authority providing TLS certificates to 190 million websites

LineageOS (GitHub)

osmandapp (GitHub)

openstreetmap (GitHub)

Wikipedia (Twitter)

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

libreoffice (Twitter)

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

mozthunderbird (Twitter)

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

AntennaPod (GitHub)

inkscape (Twitter)

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

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

videolan (GitHub)

play0ad (Twitter)

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

EFF (Twitter)

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

uBlockOrigin (GitHub)

fsfe (Twitter)

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

godotengine (GitHub)

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