demo.java2script.org — Google Talk uses Jabber protocol, which means that anyone can write a GTalk client. Here is a Java2Script (http://j2s.sourceforge.net) one. It uses pure JavaScript as front-end in browsers, and it uses Java as back-end connecting to GTalk server. Here is snapshot: http://groups.google.com/group/java2script/web/j2s- gtalk.png