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 GrapheneOS, which is both free and Open Source. Other great apps like CalyxOS are Android, LineageOS, postmarketOS and /e/.
EMUI is a HarmonyOS/Android (operating system) mobile operating system developed by Chinese technology company Huawei. It is used on the company's smartphones and tablet computers.
China
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...
China
Asus Zen UI (stylized as ASUS ZenUI) is a front-end touch interface developed by ASUS with partners, featuring a full touch user interface.
RestlessOS is an unofficial, unaffiliated fork of GrapheneOS packaged as a Generic System Image (GSI) for Project Treble devices. It is not endorsed by, sponsored by, or in any way connected to the GrapheneOS project or its developers.
No frills pure AOSP experience that will not let you down in getting through every day uninterrupted by inconveniences, with just the right dab of customisations. Be it requiring safetynet for banking or payment apps to receiving the latest security patches from Google as soon...
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.
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