Firefox

Mozilla Firefox (or simply Firefox) is a free an open-soorce^[18] wab brouser developed bi the Mozilla Foundation an its subsidiary the Mozilla Corporation.

Mozilla Firefox

Screenshot o Firefox 89 runnin on Arch Linux
Developer(s)	Mozilla Foundation an contreibutors Mozilla Corporation
Ineetial release	September 23, 2002; 21 years ago (2002-09-23)
Stable release(s) [±]
Standard 77.0.1 / Juin 3, 2020; 3 years ago (2020-06-03)[1] Extended Support Release 68.9.0 / Juin 2, 2020; 3 years ago (2020-06-02)[2]
Preview release(s) [±]
Beta & Developer Edition 78.0b1 (beta, usually named in the form 78.0bX) / released every week[3][4] Nightly 79.0a1 (alpha, usually named in the form 79.0aX) / released every day[5][6]
Repository	hg.mozilla.org/mozilla-central/
Written in	C++, JavaScript, C, HTML, Rust[7]
Ingines	Gecko, SpiderMonkey, WebKit (iOS anerly)
Operatin seestem	Windows, macOS, Linux, Android, iOS[8] (Unoffeecial ports tae BSDs, Solaris, OpenSolaris, illumos)
Includit wi	Firefox OS, Ubuntu
Size	Windows: 44 MB[9][10] macOS: 82 MB[11] Linux: 54 MB[12] Android: 30 MB[13] iOS: 79 MB Source code: 186 MB[14]
Staundart(s)	HTML5, CSS3, RSS, Atom
Available in	91 leids[15]
Teep	Wab brouser Feed reader Mobile wab brouser
License	MPL 2.0[16][17]
Website	mozilla.org/firefox