WebKit is an open-source Web content engine for browsers and other applications, such as Apple Safari, Mail, App Store and several mobile browsers including the pre-installed browsers for Android, iOS, RIM Blackberry, Symbian, and WebOS.
WebKit is an open-source Web content engine for browsers and other applications and was originally released by Apple in 2003 as part of its Safari browser.
Due to its open source nature and clean design, WebKit has been taken on and implemented as the engine for a wide variety of web browsers.