Diald
Dial on demand daemon for SLIP/PPP connections
HylaFAX
Supports sending/receiving faxes, polled retrieval of faxes, transparent
shared data use of modem, and sending alpha-numeric pages
Mgetty + Sendfax
A getty that handles the login procedure, but also a collection of
programs to send and receive faxes using a class 2 faxmodem. Included is
vgetty, which handles incoming voice calls for certain voice-capable
modems.