WinMessenger Description:

WinMessenger is an easy to use program that allows you to send and receive messages from computer to computer in real-time without using dedicated servers.
It works over any network protocol (TCP/IP, IPX/SPX, NetBEUI, etc.), it is easy to deploy and it does not require computer knowledge or special configuration. Simply put, it is standard WinPopup without the blemishes. WinMessenger offers complete implementation of the SMB protocol, so with it you can do everything you can with WinPopup. For example, you can send a message to a Novell user, receive messages from Linux systems, send and receive messages to/from Windows NT servers and so on. WinMessenger works exceptionally well under all existing implementations of Windows without any updates or upgrades required - from the original release of Win95 to the latest WinXP. The program can be used on Windows 2000 Server or Advanced Server with Terminal Service enabled.