Ainebot is artificial intelligence chatbot software. It contains a language interpreter which allows you to easy create your own bot personality, and ready-to-use personality files. It works as a CGI (for Web pages), a command line program, a GUI window, and an IRC (eggdrop) bot. It is based on A.L.I.C.E. and Annabot.
PVD Tusa Chat is a highly productive web server for online and offline dialog. It is a kind of mini portal which includes web chat, forum, local mail and many other things.
Yacca is an advanced chat bot (other plugins are under development, including a command-line only version for you to interact with yacca) that is designed to resemble a human chatter as closely as possible.
VisualMessenger is a web-based instant messaging software that allows users connected to your site to have real-time conversations and send files between them. VisualMessenger dramatically expands the functionality of the web by allowing real-time, two-way communication between your users or employees without special plug-ins or client-side software.
WebConference Chat Server is a full-featured streaming chat server with non-java web clients providing the same, fast chat capabilities as other solutions only compatible with nearly any web browser. WebConference Chat Server features a sleek, customizable interface, many advanced operator and security tools, a full 16-million color mixing palette, the ability to upload pictures directly from your desktop, an image approval system, GUI configuration management, and much more. Includes streaming support for Macintosh.