Qiks is a LAN messnger to chat and transfer file esily.
This Program Contains Many Useful Network Tools
A small (ish) messaging server for anything you can think of
Just another LAN messenger
Simple and lightweight IM client
An intranet chat application that does not require a server.
a java based LAN messenger
Mossawir Lan Messenge 3, Sever less Peer 2 Peer Lan messenger
A Java RMI base messenger which works on LAN
Small messenger solution for teams inside a LAN using eclipse
Mult-platform chat for LAN. No server required