Android - 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.
Windows 10 IoT - The operating system built for your Internet of Things
LineageOS - Operating system for smartphones and tablet computers, based on the Android
AWS IoT - Easily and securely connect devices to the cloud.
KaiOS - KaiOS is a light operating system for smart feature phones like the JioPhone and Nokia 8110.
Nucleus RTOS - Nucleus RTOS is a proven, stable, and optimized real time operating system deployed on over 3 billion embedded devices