Astian OS is an operating system that is based on the discontinued Firefox OS, development by Astian Foundation, thus allowing support for mobile devices, TV's, and other devices. Astian OS is completely free and open.
Platforms
- Self-Hosted
Chile

Android is described as 'Open-source mobile operating system, seamlessly integrating with Google services, enabling extensive app support and hardware compatibility across brands' and is a leading Mobile OS in the os & utilities category. There are more than 50 alternatives to Android for a variety of platforms, including Android, Linux, Linux Mobile, Android Tablet and Self-Hosted apps. The best Android alternative is LineageOS, which is both free and Open Source. Other great apps like Android are GrapheneOS, /e/, postmarketOS and CalyxOS.
Astian OS is an operating system that is based on the discontinued Firefox OS, development by Astian Foundation, thus allowing support for mobile devices, TV's, and other devices. Astian OS is completely free and open.


KaiOS brings smartphone-like functionalities to affordable phones: the KaiStore for apps. Video calls over 4G. Mobile payments through NFC. Even dual-SIM support.




B2G is a community maintained open source operating system for smartphones, tablets, smart TVs and other connected devices. The project was started in 2011 and is based on the Linux kernel and Gecko rendering engine.

No frills pure AOSP experience that will not let you down in getting through every day uninterrupted by inconveniences, with just the right dab of customisations. Be it requiring safetynet for banking or payment apps to receiving the latest security patches from Google as soon...



RestlessOS is an unofficial, unaffiliated fork of GrapheneOS packaged as a Generic System Image (GSI) for Project Treble devices. It is not endorsed by, sponsored by, or in any way connected to the GrapheneOS project or its developers.
QtMoko is debian distribution for Linux based SmartPhones, like Openmoko Freerunner and Goldelico's GTA04 phone. Phone and user interface is based on QT Extendeded formerly known as Qtopia..



LuneOS is an open source firmware distribution for smartphones and tablet computers based on the Open webOS mobile operating system.



Oniro is an Eclipse Foundation project focused on the development of a distributed open source operating system for consumer devices, regardless of the brand, model, make.


Kupfer is an Arch Linux ARM derived distribution designed to support the Linux mobile effort. It is to Arch Linux what postmarketOS is to Alpine, or Mobian is to Debian.