One of the most popular alternatives to HarmonyOS is Android, which is free and open source. Other popular alternatives are GrapheneOS, LineageOS, /e/ and Nura (postmarketOS). You're spoiled for choice with Operating Systems like HarmonyOS: we list more than 50 alternatives for Android, Linux, Windows, Mac and self-hosting.
XePlayer is a best & free Android Emulator for pc that enables all Android games and apps to run smoothly in Windows systems. It built on x86 Architecture, support advanced features like OpenGL & hardware acceleration, run faster, more stability and compatibility than...
LeapDroid is an Android emulator. It runs the whole Android system inside Windows using state-of-the-art virtual machine technologies. Leapdroid immediately turns a PC into a very powerful Android tablet.
webOS is a web-centric and usability-focused software platform for smart devices. The operating system has constantly evolved, passing through its journey from Palm to HP, and most recently to LG Electronics.
South Korea
Havoc-OS is an after-market firmware based on Android Open Source Project, inspired by Google Pixel with a refined Material Design UI. We offer a smooth and stable experience for your device with a selected set of amazing features that provide an exceptional user experience.
OmniROM is our Android custom ROM variant, feature-packed but always with stability as #1 priority in mind.
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.
Chile
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.
CarbonRom is an aftermarket firmware based on the Android Open Source Project.
Features:
PIE Halo AOKP Ribbons Comprehensive speed enhancements, including Linaro -O3 and processor-specific optimizations Unofficial Voodoo Sound support on Note 2 and i9300 de.
Maru makes personal computing more context-aware by giving you the best interface for your environment. That means when you're on the go, Maru is your phone; when you're at your desk, Maru is your desktop.
India
DerpFest is a Custom ROM inspired by AOSiP that incorporates the best features around and longs to support the community with its own unique features and contributions.
