LanToucher Instant Messenger 

LanToucher Instant Messenger is instant messaging software for your office or home LAN (Local Area Network) True serverless (peer-to-peer) messaging; Proven cross-platform compatibility; No dedicated server or Internet connection is required.
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VSL LanToucher Network Messenger 

LanToucher is a full-featured, Microsoft WinPopup-compatible LAN messenger for Microsoft Windows 95/98/NT4/2000/ME/XP/Server 2003. Designed as a WinPopup and "net send" replacement, LanToucher provides many more functions, options and features.
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