PhareRougeGL is an Hotline Client/server clone.
Original project:
http://pharerouge.sourceforge.net/
GL version adds more features to be compatible with GLoarbLine server, and 1.9x servers.
GNU/Linux-compatible version of the now unavailable Red Light Variety Alpha software, a Hotline protocol client and server with Japanese language support. Future versions aim at more internationalization and better sharing functions.
Acid is a generalized internet/network client, using "pluggable protocol" libraries to add support for connection protocols. In addition to the Acid application, this project is developing Hotline, FTP, and other pluggable protocol libraries.
AniClient is a Hotline [(C) Hotline Communications, http://www.hotspringsinc.com/] clone for Microsoft (C) Windows.
It was developed as part of the AniCONS anime icon list (hotline://anicons.net).
Hotline combines IRC-like chat, file transfer & news