The best Android ROM alternative to GrapheneOS is LineageOS, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to GrapheneOS and many of them are Android ROMs so hopefully you can find a suitable replacement. Other interesting Android ROM alternatives to GrapheneOS are CalyxOS, iodéOS, postmarketOS and Ubuntu Touch.
Free and open-source Android-based operating system for smartphones and tablets, designed to enable deep customization, enhanced privacy controls, regular security updates, and broad device compatibility without default proprietary Google services.
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".
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.
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.
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.
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.
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...
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.
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.
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LineageOS is fine on non-Pixel phones. Some versions even support SELinux Enforcing, OTA updates and a relockable Bootloader.
I hope they will use many GrapheneOS features like: