wtext is a program that will accept ASCII text as input and generate International Morse Code as output. The output formats can be:

• – . -..- – (text) on the console.
• Raw audio on /dev/audio (8 bit PCM data).
• .wav files (future).
• .ogg or (proprietary format) compressed audio (future).

cwtext.sourceforge.net
sourceforge.net/projects/cwtext