KaiOS brings smartphone-like functionalities to affordable phones: the KaiStore for apps. Video calls over 4G. Mobile payments through NFC. Even dual-SIM support.




BlackBerry OS is described as 'Proprietary mobile operating system for the BlackBerry line of smartphones, both developed by BlackBerry Limited (formerly Research In Motion). BlackBerry 10 is based on QNX, a Unix-like operating system that was originally developed by QNX Software Systems' and is a Mobile OS in the os & utilities category. There are more than 25 alternatives to BlackBerry OS for a variety of platforms, including Android, Linux, Linux Mobile, Android Tablet and Self-Hosted apps. The best BlackBerry OS alternative is Android, which is both free and Open Source. Other great apps like BlackBerry OS are GrapheneOS, LineageOS, /e/ and postmarketOS.
KaiOS brings smartphone-like functionalities to affordable phones: the KaiStore for apps. Video calls over 4G. Mobile payments through NFC. Even dual-SIM support.




Evolution X is a flashable Custom ROM to bring a true Pixel feel to your Android Device at first glance, with many additional configurations at your disposal. We aim to provide frequent builds with monthly security patches from the latest aosp sources.


Astian OS is an operating system that is based on the discontinued Firefox OS, development by Astian Foundation, thus allowing support for mobile devices, TV's, and other devices. Astian OS is completely free and open.

LuneOS is an open source firmware distribution for smartphones and tablet computers based on the Open webOS mobile operating system.




QtMoko is debian distribution for Linux based SmartPhones, like Openmoko Freerunner and Goldelico's GTA04 phone. Phone and user interface is based on QT Extendeded formerly known as Qtopia..




Industrial Android™ with emteria.OS Building, extending, customizing and maintaining embedded Android platform for reliable industrial applications and products.
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...


A security and privacy focused mobile operating system compatible with Android apps. Google-free secure Android for the latest hardware.

