The Mozilla Project has released Camino 1.6.3, an open source Mac OS X web browser based on the Gecko 1.8 rendering engine and the Quartz GUI toolkit. It supports pretty much all the technologies that Mozilla does: HTML, XHTML, CSS, XML, XSLT, etc. Version 1.6 adds much improved AppleScript support an various user interface enhancements. Mac OS X 10.3 or later is required.