Mobian is an open-source project aimed at bringing Debian GNU/Linux to mobile devices.




postmarketOS is described as 'Extends the free and open source operating system Alpine Linux to run on smartphones and other mobile devices. Alpine is a security-oriented, light-weight Linux distribution based on musl libc and BusyBox' and is a Mobile OS in the os & utilities category. There are more than 25 alternatives to postmarketOS for a variety of platforms, including Android, Linux, Linux Mobile, Android Tablet and Self-Hosted apps. The best postmarketOS alternative is Android, which is both free and Open Source. Other great apps like postmarketOS are GrapheneOS, LineageOS, /e/ and CalyxOS.
Mobian is an open-source project aimed at bringing Debian GNU/Linux to mobile devices.




Sailfish OS is a European alternative to dominating mobile operating systems, and the only mobile OS offering an exclusive licensing model for local implementations.




alternative, open source version of Fairphone OS, built by Fairphone, that puts transparency and ownership in the spotlight.
CrDroid is a customized fork of Android based on LineageOS bringing a lot of custom features ported from others great roms out there.




Project Elixir basically offers a minimal UI enhancement & close to Stock Android ROM with great performance, security and stability. Your experience while using Project Elixir will be butter smooth without compromising the quality of the Android experience.


Distributed microkernel OS with AI and edge computing capabilities for smartphones, wearables, TVs, tablets, and IoT; features multi-layered architecture, custom device kernels, Linux ABI compatibility, seamless interaction, and resource sharing across devices.

Open source Linux-based platform designed for smartphones, tablets, netbooks, automotive infotainment, and smart TVs, offering scalable compatibility, advanced multimedia, touch support, Application Compatibility Layer for Android apps, 3D UI, and multitasking.



Ubuntu Touch is made and maintained by UBports. It is a free and open source mobile OS for you! Meanwhile we care about your privacy and freedom.
The goal of Droidian is to be able to run Debian on Android phones. This is accomplished by using well-known technologies such as libhybris and halium.




Havoc-OS is an after-market firmware based on Android Open Source Project, inspired by Google Pixel with a refined Material Design UI. We offer a smooth and stable experience for your device with a selected set of amazing features that provide an exceptional user experience.




Evolution X is a flashable Custom ROM to bring a true Pixel feel to your Android Device at first glance, with many additional configurations at your disposal. We aim to provide frequent builds with monthly security patches from the latest aosp sources.


AXP.OS is a more private and more secure aftermarket mobile operating system based on AOSP & LineageOS.