- Developer
- Mozilla Corporation
- Written in
- HTML5 , CSS , JavaScript , C++
- Os family
- Linux ( Unix-like )
- Working state
- Discontinued; forked to form KaiOS
- Source model
- Open source
- Initial release
- February 21, 2013 ; 13 years ago ( 2013-02-21 )
- Final release
- 2.2.0 / April 29, 2015 ; 11 years ago ( 2015-04-29 )
- Final preview
- 2.5.0
- Repository
- github .com /mozilla-b2g /B2G
- Marketing target
- Smartphones , Tablet computers
- Supported platforms
- ARM , x86 , MIPS
- Kernel type
- Linux kernel
- Default user interface
- Graphical
- License
- MPL 2.0 and GPLv2 (Linux kernel)
- Official website
- mozilla.org/firefox/os