Home›2013 software›Firefox OS🌐Tiếng ViệtEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTiếng ViệtTürkçeРусскийالعربيةفارسیहिन्दी한국어中文日本語EntityQ550303· pop 40· linked from 647 articlesFirefox OSAlso known as Boot to Gecko, B2G, b2gosLinux-based mobile operating system by MozillaKey factsDeveloperMozilla CorporationWritten inHTML5 , CSS , JavaScript , C++Os familyLinux ( Unix-like )Working stateDiscontinued; forked to form KaiOSSource modelOpen sourceInitial releaseFebruary 21, 2013 ; 13 years ago ( 2013-02-21 )Final release2.2.0 / April 29, 2015 ; 11 years ago ( 2015-04-29 )Final preview2.5.0Repositorygithub .com /mozilla-b2g /B2GMarketing targetSmartphones , Tablet computersSupported platformsARM , x86 , MIPSKernel typeLinux kernelAvailable in 40 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةहिन्दीAfrikaansConnectionsFirefox version historyEntityQ381EntityCategories2013 softwareARM operating systemsDiscontinued operating systemsEmbedded Linux distributionsFirefox OSFree mobile softwareGecko-based softwareLinux distributionsMobile LinuxMozillaSmartphone operating systemsSoftware that uses XULX86 operating systems