List of web browsers that use the Gecko rendering engine

Updated at: Mar 21, 2026

Gecko is developed by the Mozilla Foundation.

Browser Name	Rendering Engine	Year started	Device Type	Operating Systems	Status
Firefox	Gecko	2004	Desktop & Mobile	Android, iOS, BSD, Linux, macOS, Windows	Active
AmiZilla	Gecko	2003	Desktop	Amiga OS	Discontinued
Arctic Fox	Gecko	2018	Desktop	BSD, Linux, macOS, Windows	Active
Beonex Communicator	Gecko	2003	Desktop	BSD, Linux, macOS, Windows	Discontinued
Bezilla	Gecko	1998	Desktop	BeOS, Haiku	Discontinued
Browsh	Gecko	Unknown	Desktop	BSD, Linux, macOS, Windows
CachyOS Browser	Gecko	2021	Desktop	Linux
Camino	Gecko	2002	Desktop	OS X	Discontinued
Classilla	Gecko	2009	Desktop	Mac OS Classic	Discontinued
Cliqz	Gecko	2015	Desktop	macOS, Windows	Discontinued
Comodo Ice Dragon	Gecko	2010	Desktop	Windows
Conkeror	Gecko	2008	Desktop	Unix-like	Idle
Dot Browser	Gecko	2022	Desktop & Mobile	Android, Linux, macOS, Windows	Abandoned
Fennec	Gecko	2008	Mobile	Android	Active
FireDragon	Gecko	2024	Desktop	Linux
Firefox Developer Edition	Gecko	2017	Desktop	Linux, macOS, Windows
Firefox Focus	Gecko	2015	Mobile	Android, iOS
Floorp	Gecko	2021	Desktop	Linux, macOS, Windows	Active
Galeon	Gecko	2000	Desktop	Unix-like	Discontinued
Ghostzilla	Gecko	2002	Desktop	Windows	Discontinued
Glide	Gecko	2025	Desktop	Linux	Active
Helix	Gecko	2023	Desktop	Linux	Abandoned
IceCat	Gecko	Unknown	Desktop	Linux, macOS, Windows	Idle
Iceraven	Gecko	Unknown	Mobile	Android
Iceweasel	Gecko	2006	Desktop	Linux	Discontinued
InterWebSnow	Gecko	2021	Desktop	OS X	Abandoned
Ironfox	Gecko	2025	Mobile	Android	Active
LibreWolf	Gecko	2020	Desktop	Linux, macOS, Windows	Active
Marble Browser	Gecko	2025	Desktop	Linux, macOS, Windows
Mercury Browser	Gecko	2022	Desktop	Linux, macOS, Windows	Abandoned
MicroB	Gecko	2007	Desktop	Misc Desktop OS	Discontinued
Midori	Gecko	2007	Desktop & Mobile	Android, Linux, macOS, Windows	Active
Minimo	Gecko	2004	Mobile	Windows CE	Discontinued
Mull-Fenix	Gecko	2017	Mobile	Android	Discontinued
Mullvad	Gecko	2009	Desktop	Linux, macOS, Windows
Mypal	Gecko	2022	Desktop	Windows
Netscape	Gecko	1994	Desktop	Linux, macOS, Windows, HP-UX	Discontinued
Nocturne	Gecko	2015	Desktop	Windows	Active
PlasmaFox	Gecko	2019	Desktop	Linux	Discontinued
PowerFox	Gecko	2026	Desktop	OS X
Pulse Browser	Gecko	2021	Desktop	Linux	Discontinued
r3dfox	Gecko	2024	Desktop	Windows	Active
SeaLion	Gecko	2023	Desktop	Linux, macOS
SeaMonkey Formerly Iceape	Gecko	2005	Desktop	Linux, macOS, Windows
Skyfire	Gecko	2008	Mobile	Android, iOS, Symbian, Windows Mobile	Discontinued
Slim Browser	Gecko	Unknown	Desktop	Windows	Discontinued
Sunbird	Gecko	2003	Desktop	Linux, macOS, Windows, Solaris	Discontinued
Swiftfox	Gecko	2005	Desktop	Linux	Discontinued
Swiftweasel	Gecko	2007	Desktop	Linux	Discontinued
TenFourFox	Gecko	2010	Desktop	OS X	Discontinued
Tor Browser	Gecko	2008	Desktop & Mobile	Android, BSD, Linux, macOS, Windows
Waterfox	Gecko	2011	Desktop & Mobile	Android, Linux, macOS, Windows	Active
Waterfox Classic	Gecko	1998	Desktop	Linux, macOS, Windows	Discontinued
WebLibre	Gecko	2024	Mobile	Android	Active
xB Browser Formerly TorPark and Xerobank browser	Gecko	2006	Desktop	Windows	Discontinued
Zen	Gecko	2024	Desktop	Linux, macOS, Windows	Active