The best Android ROM alternative to LineageOS is GrapheneOS, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to LineageOS and many of them are Android ROMs so hopefully you can find a suitable replacement. Other interesting Android ROM alternatives to LineageOS are iodéOS, /e/, Ubuntu Touch and CalyxOS.
GrapheneOS is a privacy and security focused mobile OS with Android app compatibility developed as a non-profit open source project. It's focused on the research and development of privacy and security technology including substantial improvements to sandboxing, exploit...
Android-based OS emphasizing privacy, open source transparency, tracker and ad blocking, independent app installation, digital sovereignty, community development, routine updates, environmental sustainability, and a familiar interface for alternative Android devices.
Fast, secure, private. Recommend it with CalyxOS, the best ones imo
Same with microG + adblocker + degoogled
/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.
Maintained for older phones (Samsung Galaxy S3 i9300), even less Google.
Ubuntu Touch is the Ubuntu operating system for mobile phones originally created by Canonical and now developed by the UBports Community.
It doesn't depend on Google at all (also regarding security updates)
It isn't based on Android. Needs VoLTE to be usable in US though.
Real GNU/Linux in your phone!
Everyone needs a phone. Not everyone wants governments and corporations tracking their every move and spying on their communications. CalyxOS lets you have your cake and eat it too, with "Privacy by Design".
postmarketOS 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.
Replicant is a fully free Android distribution running on several devices, a free software mobile operating system putting the emphasis on freedom and privacy/security. It is based on LineageOS and replaces or avoids every proprietary component of the system, such as user-space...
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.
PixelOS is an AOSP based ROM, with Google apps included and all Pixel goodies. We aim to provide an experience similar to Google Pixel phones with numerous performance enhancements and a small amount of useful additional features.
Paranoid Android provides a unique experience and ultimate customization for your Android device.
alternative, open source version of Fairphone OS, built by Fairphone, that puts transparency and ownership in the spotlight.
Canada
France
EU
Germany
United States
Switzerland
India
Netherlands
Focused on security and privacy instead of random options.