KaiOS was forked from Firefox OS, and it's currently installed on over 150 million devices, mostly in India. Unfortunately, it's closed source. https://www.eng

KaiOS was forked from Firefox OS, and it's currently installed on over 150 million devices, mostly in India. Unfortunately, it's closed source. https://www.engadget.com/2019-02-26-kaios-third-mobile-operating-system.html https://www.engadget.com/2019-02-26-kaios-third-mobile-opera... https://www.fastcompany.com/90457544/kaios-most-innovative-companies-2020 https://www.fastcompany.com/90457544/kaios-most-innovative-c...