WebCore is a framework for Mac OS X that takes the cross-platform KHTML library (part of the KDE project) and combines it with an adapter library specific to WebCore called KWQ that makes it work with Mac OS X technologies. KHTML is written in C++ a
The Nokia Web Browser is built upon S60WebKit, a port of the open source WebKit project to the S60 platform. WebKit contains the WebCore and Javascr iptCore components that Apple uses in its Safari browser. Based on KHTML and KJS from KDE's Konquero