developer.mozilla.org B2G OS Alternatives

Android is an open source mobile operating system initially released by Google in 2008 and has since become of the most widely used operating systems on any platform.

Open Source

A user friendly, secure and freedom respecting OS for your daily usage

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Privacy-focused operating system for smartphones based on Android and microG

LuneOS is a free and open source mobile operating system that respects users’ privacy.

At the heart of Jolla is Sailfish OS, the independent mobile operating system offering an alternative to the existing dominant systems. Sailfish OS is the perfect solution for country ecosystem and corporate mobile projects, or for consumer devices.

Resurrection Remix ROM is ultimately full featured, stable and combined with the best features of...

Mobian, Debian for mobile devices

/e/ is a fork of LineageOS that aims to be completely free of everything Google.

Firefox OS is an open-source smartphone OS that uses the Open Web as a platform for mobile devices.

webOS is a web-centric and usability-focused software platform for smart devices.

A mobile operating system divested from the norm.

Operating system for smartphones and tablet computers, based on the Android

AOKP stands for Android Open Kang Project. It is a custom ROM distribution for many Android devices.