BuddyTalk is a java based instant messanger, you can login with your gmail username and password to chat with your friends or to test the software you can login with the provided username and pass. BuddyTalk is based on smack and xmpp protocol.
<b>A simple, flexible, lightweight application enclosure from which rapid extension is possible in the Java programming environment. Includes the config framework similar to Apache's digester tool, except control is encapsulated in the constructor.</b>
Jicra is a very simple IRC client Java applet that includes only minimal functionatily and doesn't try to look like an IRC client in any way. It just tries to be an one-channel chat room without too fancy features. This way the applet is very light-weight