OpenXP is a multi-protocol offline mail and news reader for the text console, supporting Internet email, Usenet, Fidonet, Zconnect, etc. It is based on CrossPoint (XP) by Peter Mandrella.
Meltdown BBS is a free, web-based Bulletin Board System written in PHP with a MySQL backend.
Meltdown BBS allows message and file exchange and advanced control over users' access. It is designed to be compatible with Fidonet-technology networks.