Comparison of browser engines

This article provides general information for notable browser engines.

General information

Engine	Status	Steward	License	Embedded in
Blink	Active	Google	GNU LGPL, BSD-style	Google Chrome and Chromium, plus many other browsers including Opera and Vivaldi
EdgeHTML	Active	Microsoft	Proprietary	Microsoft Edge browser and Universal Windows Platform apps
Gecko	Active	Mozilla	Mozilla Public	Firefox browser and Thunderbird email client, plus forks like SeaMonkey and Waterfox
Goanna	Active	M.C. Straver	Mozilla Public	Pale Moon and Basilisk browsers
Servo	Active	Mozilla	Mozilla Public	experimental browser
WebKit	Active	Apple	GNU LGPL, BSD-style	Safari browser, Adobe AIR apps, and other browsers like Maxthon
KHTML	Discontinued	KDE	GNU LGPL	Konqueror browser
Presto	Discontinued	Opera Software	Proprietary	formerly in the Opera browser
Tasman	Discontinued	Microsoft	Proprietary	Internet Explorer for Mac and Microsoft Entourage
Trident	Discontinued	Microsoft	Proprietary	Internet Explorer browser and Microsoft Outlook email client

Operating system support

The operating systems that actively-developed engines can run on without emulation.

Engine	Windows	macOS	iOS	Android	Linux	BSD
Blink	Yes	Yes	?	Yes	Yes	Yes
EdgeHTML	Yes	No	No	No	No	No
Gecko	Yes	Yes	?	Yes	Yes	Yes
Goanna	Yes	Yes	No	No	Yes	Yes
Servo	Yes	Yes	?	Yes	Yes	?
WebKit	Yes	Yes	Yes	Yes	Yes	Yes

See also

• Comparison of web browsers
• Comparison of email clients
• Comparison of browser engines (HTML support)
• Comparison of browser engines (CSS support)
• Comparison of browser engines (graphics support)
• Comparison of browser engines (typography support)