PUBLIC MARKS with tags "open source" & xul

Instantbird is a multi-protocol Instant Messaging client. Using it, you can connect to all your different IM accounts. It uses the Mozilla rendering engine to display IMs, and the Pidgin libpurple to connect to the different networks. Instantbird is a free and open source software. So you are free to use, distribute and modify it.

ZK is an AJAX/XUL Web framework designed to enable Web applications to have both rich user experiences and a simple programming model. It includes an AJAX-based event-driven engine to automate interactivity and a rich set of XUL-based components.