Winsent Messenger (Unlimited site license)

A simple, handy and easy-to-use instant messaging program for local area networks. The program supports contact list, message archive, LAN browser. Compatible with WinPopup, Windows Messenger Service and net send.  

Winsent Messenger (Limited site license)

A simple, handy and easy-to-use instant messaging program for local area networks. The program supports contact list, message archive, LAN browser. Compatible with WinPopup, Windows Messenger Service and net send.