Fast and Secure Enterprise Instant Messenger with Multi-user Text and Voice Chat
License: Shareware
OS Support: Win95,Win98,WinME,WinNT 4.x,WinXP,Windows2000,Windows2003

The first social ecosystem on the web - Social Networking,Blogs,Groups and Chat!
License: Freeware
OS Support: Win95,Win98,WinME,WinNT 3.x,WinNT 4.x,Windows2000,WinXP

x Chat Free is a private one-to-one real-time TTS chat program for Intranet.
License: Freeware
OS Support: Win98,WinME,Windows2000,WinXP,Windows2003

Installs local activities for MSN Messenger 6.0 or later
License: Freeware
OS Support: Win98,WinME,Windows2000,WinXP,Windows2003,Windows Vista Starter,Windows Vista Home Basic,Windows Vista Home Premium,Windows Vista Business,Windows Vista Enterprise,Windows Vista Ultimate,Windows Vista Home Basic x64,Windows Vista Home Premium x64,Windows

Disguise voice over Internet and PC Phone, record voice chat & play audio file
License: Shareware
OS Support:

IceChat Multi-Server, Scriptable, and fully customizable IRC Client
License: Freeware
OS Support: Win95,Win98,WinME,WinNT 4.x,Windows2000,WinXP,Windows2003,Windows Vista Starter,Windows Vista Home Basic,Windows Vista Home Premium,Windows Vista Business,Windows Vista Enterprise,Windows Vista Ultimate

Send network messages instantly using our Net Send Lite utility.
License: Freeware
OS Support: WinNT 4.x,Windows2000,WinXP,Windows2003

Fomine WinPopup is an instant-messaging tool for all versions of the Windows.
License: Shareware
OS Support: Win98,WinME,WinXP,WinNT 4.x,Windows2000,Windows2003

Send a network message instantly to a list of usernames or computers.
License: Shareware
OS Support: WinNT 4.x,Windows2000,WinXP,Windows2003

Popular text chat solution for home and office local area networks
License: Shareware
OS Support: Win95,Win98,WinME,WinXP,WinNT 4.x,Windows2000