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.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.