Instan-t 

Instan-t is an instant messaging software that allows you to communicate with MSN, AOL, Yahoo!, ICQ and Instan-t through a single IM platform. Through video chat you can communicate face to face with friends on any IM network.
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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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LanTalk NET 

LanTalk.NET Enterprise instant messenger. In fact, in most companies LanTalk.NET replaced corporate e-mail for exchanging files and messages. And the phones are ringing much less often.
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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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Trusted Messenger 

Effective communications for the office. Converse with colleagues in real time. Messages can be sent to any network users through their network user name or computer name, messages can be sent to all network users simutlaneously with a single click.
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Proxy-Pro Family GateKeeper 

Developed especially for home or small office use the software allows you to connect your entire network to the same Internet Connection thus giving you simultaneous access to Web browsing, online gaming, chat, downloading music, films and much more.
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