Firefox OS
https://www.mozilla.org/ja/firefox/os/

Sailfish OS
https://sailfishos.org/

Ubuntu Touch
https://wiki.ubuntu.com/Touch

Tizen
https://developer.tizen.org/

前スレ
Open Mobile OS 【Firefox Sailfish Ubuntu Tizen】
http://maguro.2ch.net/test/read.cgi/linux/1368290081/