Oniro is described as 'Eclipse Foundation project focused on the development of a distributed open source operating system for consumer devices, regardless of the brand, model, make' and is a operating system in the os & utilities category. There are more than 50 alternatives to Oniro for a variety of platforms, including Android, Linux, Android Tablet, Linux Mobile and Windows apps. The best Oniro alternative is Android, which is both free and Open Source. Other great apps like Oniro are GrapheneOS, LineageOS, /e/ and postmarketOS.
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.
KaiOS brings smartphone-like functionalities to affordable phones: the KaiStore for apps. Video calls over 4G. Mobile payments through NFC. Even dual-SIM support.
LuneOS is an open source firmware distribution for smartphones and tablet computers based on the Open webOS mobile operating system.
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.
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.
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.
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.
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..
OmniROM is our Android custom ROM variant, feature-packed but always with stability as #1 priority in mind.
B2G is a community maintained open source operating system for smartphones, tablets, smart TVs and other connected devices. The project was started in 2011 and is based on the Linux kernel and Gecko rendering engine.
Introducing ARC Welder -- a tool to help you test and publish your Android Apps to Chrome OS using the App Runtime for Chrome (beta), ARC.
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