KaiOS is a mobile operating system based on Linux, developed by KaiOS Technologies, a US-based company. It is designed for smartphones with limited hardware resources and is used by feature phones and other devices. It is forked from Firefox OS, which was discontinued by Mozilla in 2016. KaiOS is focused on providing a complete and user-friendly experience to its users. It has a simple and intuitive interface, optimized for a limited hardware platform. It supports HTML5-based apps and provides access to popular apps like Facebook, YouTube, Twitter, Google Maps, and other services. It also supports 3G and 4G LTE data networks, allowing users to access the internet from their devices. Additionally, it has a feature that allows users to use their feature phone as a Wi-Fi hotspot. KaiOS is a great option for users who don't need or want the features of a full smartphone experience. It is also suitable for developing countries where feature phones are still the most popular option. By providing an affordable and easy-to-use alternative to smartphones, KaiOS enables users to access the internet and benefit from its services.
Discontinued The project seems to be no longer developed. The latest version, v58, released in December 2013, can still be downloaded from SourceForge.
Discontinued The project is suspended. See: https://developer.mozilla.org/en-US/docs/Archive/B2G_OS