HamScope is a multi-mode communications interface for amateur radio that supports:

PSK31 (BPSK and QPSK, see PSK31 Home Page )
RTTY (HamScope uses Makoto Mori's MMTTY Engine)
ASCII (both 7 bit and 8 bit protocols using MMTTY)
MFSK16 (see MFSK16 Home Page )
PACKET (HamScope uses George Rossopoulos' AGWPE Engine)
CW