LineageOS - Operating system for smartphones and tablet computers, based on the Android
Android - Android is an open source mobile operating system initially released by Google in 2008 and has since become of the most widely used operating systems on any platform.
Resurrection Remix OS - Resurrection Remix ROM is ultimately full featured, stable and combined with the best features of...
MIUI - Xiaomi MIUI Official Global Site. MIUI is a customized Android ROM developed by Xiaomi for smartphones and tablets. MIUI Forum offers ROM downloads for 251 devices including Mi 6, Mi MIX 2, Redmi Note 4 and others.
CyanogenMod - CyanogenMod is a custom version of the Android operating system.
Mokee - An intuitive aftermarket Android firmware