Utilities

AnDan Software FOSSIL Driver
Serial port FOSSIL driver for high speed modems, used primarily for interfacing with doors.
http://www.digsys.se/adf.html

blueMail Offline Mail Reader
Open source offline mail packet reader for Unix, DOS and Win32 currently supporting the Blue Wave and QWK packet formats.
http://home.wtal.de/ib/bluemail/

MultiMail Offline Reader
A Blue Wave, QWK, OMEN and SOUP offline packet reader for Unix, DOS, OS/2 and Win32 BBS Packages. Open source software.
http://multimail.sourceforge.net/

Pcmicro.com: NetFoss
A freeware FOSSIL driver for Windows, which allows DOS based Bulletin Board System software and doors to be accessed via telnet or via virtual COM ports. Includes a full telnet server.
http://pcmicro.com/netfoss/