OpenChatterBox is an LANChat-like application which is designed for communicating over LANs. It uses a protocol similar to the ChatterBox utility for Windows, but doesn't support colors, pictures, or user modes yet.
Linchat is a simple chat program for local Unix users. It has only been
tested under Linux, but may work under other Unixlike OSes. It requires
no separate server and does not require root access to install.
Gerstensaft is an easy to use graphical oriented
frontend for the sendfile(1) command of the SAFT
file transfer system. It features the ability to
send files and directories and provides a history