1. 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.

  2. Ubuntu is a Debian Linux-based open source operating system for desktop computers.

  3. Operating system for smartphones and tablet computers, based on the Android

  4. Windows 10 unveils new innovations & is better than ever. Shop for Windows 10 laptops, PCs, tablets, apps & more. Learn about new upcoming features.

  5. 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.

  6. iOS is the operating system associated by default with all Apple mobile devices.

  7. Replicant is a distribution of Android that is 100% Free Software.

  8. Windows 7 is another operating system developed by Microsoft, designed to provide users with a full suite of options according to their needs.

  9. Read more about Ubuntu Touch. Our free and open source mobile OS is made and maintained by UBports! We care about your freedom and privacy.

  10. CentOS is a community-supported, free and open source operating system based on Red Hat Enterprise...

  11. Windows 8 is an operating system for Microsoft devices that combines some aspects of the traditional Windows system with the Live Tiles look of Windows mobile devices. Read more about Windows 8.

  12. Resurrection Remix ROM is ultimately full featured, stable and combined with the best features of...