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.