Web browser | Layout engine | UI toolkit | Source model | Status | Notes |
Abaco | Custom | Custom (Acme-like) | Closed source | Discontinued | For Plan 9 |
Amaya | Custom | wxWidgets | Closed source | Discontinued | Also a web page composer tool (HTML editor) |
Arena | Custom | Xlib | Closed source | Discontinued | Discontinued testbed for W3C |
Arora | WebKit | Qt | Open-source | Discontinued | |
Basilisk | Goanna | XUL | Open-source | | Basilisk is a fork of Firefox with substantial divergence, especially for add-ons. |
Beonex Communicator | Gecko | GTK+ | Open-source | Discontinued | A separate branch of the Mozilla Application Suite |
Brave | Blink | GTK | Open-source | | Mozilla Public License, version 2 |
Camino | Gecko | Cocoa | Open-source | Discontinued | Formerly called Chimera; Requires Mac OS X |
Conkeror | Gecko | XUL | Open-source | Discontinued | |
Chromium | Blink | GTK | Open-source | | Close affinity with Google Chrome |
Dillo | Dillo | FLTK | Open-source | | Versions prior to 2.0 were built upon GTK+. |
Dooble | Qt WebEngine | Qt | Open-source | | BSD License |
Fifth | WebKit | FLTK | Open-source | | Aimed at replicating the pre-v15 Opera user experience. |
Flock | Gecko | XUL | Open-source | Discontinued | Specialised version of Mozilla Firefox |
Galeon | Gecko | GTK+ | Open-source | Discontinued | |
GNU IceCat | Gecko | XUL | Open-source | | Rebranded Mozilla Firefox, renamed from Iceweasel |
Google Chrome | Blink | GTK | Closed source | | Based on Chromium - Freeware under Google Chrome Terms of Service |
iCab | WebKit | Cocoa | Closed source | | Versions prior to 4 used custom layout engine |
Iceape | Gecko | XUL | Open-source | Discontinued | Rebranded as SeaMonkey |
Internet Explorer for Mac | Tasman | Carbon | Closed source | Discontinued | Using Tasman in version 5 |
Internet Explorer for UNIX | Trident | Motif | Closed source | Discontinued | |
Kazehakase | Gecko | GTK+ | Open-source | Discontinued | Dormant since 2012 |
Kirix Strata | Gecko | wxWidgets | Closed source | | |
Konqueror | KHTML, WebKit | Qt | Open-source | | Default web browser for KDE |
Midori | Gecko | GTK | Open-source | | Default browser for Xfce |
Mosaic | Custom | Motif | Closed source | Discontinued | One of the first web browsers |
Mozilla Application Suite | Gecko | XUL | Open-source | Discontinued | |
Mozilla Firefox | Gecko | XUL | Open-source | | |
NetSurf | NetSurf | GTK, Framebuffer | Open-source | | NetSurf is not tied to any particular UI toolkits. Currently GTK and framebuffer front end implementations exist. For RISC OS, Amiga and others. |
OmniWeb | WebKit | Cocoa | Closed source | Discontinued | Using WebKit since version 5.5 |
Opera | Blink | Xlib | Closed source | | Opera used its own renderer, Presto, through version 12.XX. Linux versions were suspended when Opera moved to Blink and resumed with version 26. |
Otter Browser | WebKit/Blink (engine) | Qt | Open-source | | Aimed at replicating the pre-v15 Opera user experience. |
Pale Moon | Goanna | XUL | Open-source | | Pale Moon is a fork of Firefox with substantial divergence, especially for add-ons and user interface. |
Falkon (QupZilla) | Qt WebEngine | Qt | Open-source | | |
Rekonq | WebKit | Qt | Open-source | Discontinued | |
Roccat Browser | WebKit | Cocoa | Closed source | | |
Safari | WebKit | Cocoa | Closed source | | |
SeaMonkey | Gecko | XUL | Open-source | | Community-developed version of now abandoned Mozilla Application Suite codebase |
Shiira | WebKit | Cocoa | Open-source | Discontinued | For Mac OS X only |
SRWare Iron | Blink | GTK | Closed-source | | Based on Chromium, removes information transfer to third parties such as Google by default. Has had its source code available at various points in development but currently has a proprietary codebase |
Surf | WebKitGTK | keyboard-driven | Open-source | | Minimalist web browser. |
Swiftfox | Gecko | XUL | Closed source | Discontinued | Proprietary optimised build of Mozilla Firefox |
Swiftweasel | Gecko | XUL | Open-source | Discontinued | Optimised build of Mozilla Firefox |
TenFourFox | Gecko | XUL | Open-source | Discontinued | PowerPC build of Firefox for Mac OS X |
tkWWW | Custom | Tcl | Open-source | Discontinued | |
Uzbl | WebKit | GTK+ | Open-source | Discontinued | Follows the Unix philosophy |
GNOME Web | WebKit | GTK | Open-source | | Formerly called Epiphany; Versions prior to 2.27.0 were built upon Gecko |
Waterfox | Gecko | XUL | Open-source | | Firefox fork |
xombrero | WebKit | GTK+ | Open-source | Discontinued | Renamed from xxxterm; originated from OpenBSD community |
Web browser | Layout engine | UI toolkit | Source model | Status | Notes |