iJab is an Ajax-based web based instant messaging program for XMPP/Jabber. It is free software
jinfinote is a JavaScript implementation of the Infinote protocol, an open standard for software supporting collaborative real-time editing of text files. The goal of this project is to aid in creating a collaborative real-time editor for the web, similiar to EtherPad. Desktop editors such as Gobby are already available for many platforms, and the intention is to close the missing link to the browser.
Photo-editing, logos, web templates, filters, color palettes, screen capture
Nounours is a Javascript Web client to Jabber protocol. It's using BOSH implementation to communicate with a jabber server.
TrophyIM is a Jabber (XMPP) client built on top of strophe
An ajax web jabber client
Tiny Tiny RSS is a web-based news feed (RSS/Atom) aggregator, designed to allow you to read news from any location, while feeling as close to a real desktop application as possible.