Oniro is an Eclipse Foundation project focused on the development of a distributed open source operating system for consumer devices, regardless of the brand, model, make.


CalyxOS is described as '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"' and is a popular Mobile OS in the os & utilities category. There are more than 25 alternatives to CalyxOS for a variety of platforms, including Android, Android Tablet, Linux, Linux Mobile and Android SDK apps. The best CalyxOS alternative is Android, which is both free and Open Source. Other great apps like CalyxOS are GrapheneOS, LineageOS, iodéOS and /e/.
Oniro is an Eclipse Foundation project focused on the development of a distributed open source operating system for consumer devices, regardless of the brand, model, make.


Amazon Fire OS is an Android-based mobile operating system produced by Amazon for its Fire Phone and Kindle Fire range of tablets, and Fire TV; the tablet versions of the Kindle e-readers are the Fire range. It is forked from Android.




The major difference between Google's stock Android and OPPO's ColorOS is the latter's additional features. Such features include: customizable gestures for screen off, screen on, communication, a security centre, lock screen magazines, options for long screen shot...


Asus Zen UI (stylized as ASUS ZenUI) is a front-end touch interface developed by ASUS with partners, featuring a full touch user interface.

Qt6/QML Wayland compositor on PostmarketOS. Runs on any device with mainline Linux support or Libhybris. Core features work at 60 FPS on OnePlus 6. Performance target: fluid on decade-old chipsets, exceptional on newer hardware.


