The most popular alternative is LineageOS, which is both free and Open Source. If that doesn't suit you, our users have ranked 43 alternatives to CalyxOS so hopefully you can find a suitable replacement. Other interesting CalyxOS alternatives are Ubuntu Touch (Free, Open Source), /e/ (Free, Open Source), Replicant (Free, Open Source) and Plasma Mobile (Free, Open Source).
- A free and open-source operating system for smartphones and tablet computers, based on the Android mobile platform.
- Ubuntu Touch is the Ubuntu operating system for mobile phones originally created by Canonical and now developed by the UBports Community.
- /e/ is a fork of LineageOS that aims to be completely free of everything Google. Not only that, but there are a number of goals the developer has in mind for /e/ that more people feel are vital to a mobile operating system.
- Replicant is a distribution of Android that is 100% Free Software.
- Plasma Mobile turns your phone into a fully open hacking device, just like a PC. You can join us to start building new mobile experiences now.Key features:
- Resurrection Remix ROM is ultimately full featured, stable and combined with the best features of open source roms.
- GrapheneOS is an open source privacy and security focused mobile OS with Android app compatibility.
- MIUI is a stock and aftermarket firmware for smartphones and tablet computers based on Android. MIUI, developed by Xiaomi, includes various features such as theming support. It is updated every Friday based on the feedback from its test users.
- iOS is a mobile operating system developed by Apple Inc. and distributed exclusively for Apple hardware. It is the operating system that powers iPhone, iPad and iPod Touch.
- AOKP stands for Android Open Kang Project. It is a custom ROM distribution for many Android devices. It is mostly based off of AOSP.