It is the successor to the custom ROM CyanogenMod, from which it was forked in December 2016 when Cyanogen Inc. announced it was discontinuing development and shut down the infrastructure behind the project.
© Wikipedia

CarbonROM is an aftermarket firmware based on the Android Open Source Project created with the purpose of adding versatility and customization to stock Android. Stability is our highest priority; our vision is to be the best alternative to a stock operating system for your device.

Evolution X ROM. Based on PE. With customization from your favorite ROMs.

Pixel Experience is an AOSP based ROM, with Google apps included and all Pixel goodies (launcher, wallpapers, icons, fonts, bootanimation). Our mission is to offer the maximum possible stability and security, along with essential and useful features for the proper functioning of the device.

ArrowOS is an AOSP based project started with the aim of keeping things simple, clean and neat. We added just the right and mostly used stuff that will be actually USEFUL at the end of the day, aiming to deliver smooth performance with better battery life.

crDroid is designed to improve the performance, reliability and customizability of stock Android.

Bootleggers ROM is a AOSP based ROM with some extra patches anf features from other projects, like LineageOS, Dirty Unicorns, PixelExperience, OmniROM, and many more. Our goal is trying to add the best to make you feel like 家. With all those feature, we also have some extra apps, themes and wallpaper to try to give you a great experience since the first boot.