Chat

ChatAnywhere
A service that allows live customer service and sales chat, video conferencing, and rich media web-based presentations. ChatAnywhere is a completely hosted application and has a complete web based API for integration with other applications.
http://www.xencoders.com

Chatjet
Highly customizable chat server system to be used for any kind of webchat. Based on HTTP/HTML, no plugins required. Supports several database systems, LDAP, ODBC, SSL, IRC, WAP.
http://www.chatjet.com/

DBabble Chat Server
Chat, discussion, and secure instant messaging server accessible via web browser and Windows client.
http://netwinsite.com/dbabble/

GlassRoom 3.0
A web-based text/voice chat with database connectivity, user privileges, web-based management, password protected rooms, and file transfer.
http://www.chatessentials.com/

Groove
Internet communications software for business or individuals allowing people with shared interests to make direct connections for real-time interaction.
http://www.groove.net/

havChat
Customizable and extensible Java chat server with multiple chat- tracking- and IM-applets. Includes support for whiteboards, bookmarks (presentations), administration and transcripts.
http://www.hav.com/chat/

LiveAssistance
Text chat with operators on behalf of companies around the world.
http://www.liveassistance.com/

Lucid Chat
Web-based tool uses JavaScript to avoid Java client downloads or browser plugins. Free trial version, documentation, release notes.
http://www.lucidchat.com/

Multicity
Translation enabled chat and community building web site tools.
http://www.multicity.com/

NetDIVE
Java based client, server systems for enabling web based customer service, community building and communication.
http://www.netdive.com/

NetMeetingHQ
A tool for NetMeeting users to search for other users across multiple Internet Locator Servers.
http://www.netmeetinghq.com/

NFC Chat Server
A framework written in Java. News, screenshots, free download, documentation, FAQ.
http://nfcchat.sourceforge.net/

ParaChat Server
Commercial java chat server software.
http://www.parachat.com/server/index.html

PHPOpenChat
A free PHP-based chat engine currently in beta stage.
http://phpopenchat.org/

Pino
Open source client/server chat system for windows.
http://pino3.sourceforge.net/

Psyced
A scalable distributed multi-protocol multi-casting chat, messaging and social network server released as open source. Includes a list of supported protocols and formats, documentation and a collection of useful links.
http://www.psyced.org/

Puca Community Solutions
Development of online communities across multiple platforms, including Short Messaging Service (SMS), Web Applications Protocol (WAP), interactive television, and Web. Product details, press information, job advertisements.
http://www.puca.ie/

QUIK Computing
Offers Ace Operator, a feature-rich web-based call-center solution using instant messaging. A free version of the software is available.
http://www.quik-j.com

RealChat Software
Customizable Java client/server chat software.
http://www.realchat.com/

SILC
Open Source package for client/server based Secure Internet Live Conferencing similar to IRC.
http://www.silcnet.org/

The Synthetic Chat
Commercial Java chat server. Easy to configure to match site design. Users can send private messages, images and sounds and create open or private rooms. Administrators can moderate rooms.
http://www.thesyntheticfamily.com/

Toao Face2
A free customer-to-operator support system that allows the easy implementation of those "Click here to chat to a representative" buttons found on many e-commerce sites.
http://www.toao.com/software.html

VolanoChat
VolanoChat is client-server Java chat software for creating online chat communities for your Web site.
http://www.volano.com

Xronos Chat Applications
Chat Software for live customer support or moderated chats. ASP or Server Solutions.
http://www.xronos.com