Use Computer Keyboard As MIDI Musical Instruments
This software will allow you to use your keyboard to play midi instruments.
Akoff Music Composer
Hum a melody and Composer transcribes it, makes chords and arranges the song.
ChordsMaestro
play the chords of 7 popular music instruments.
MandolinChordsLite
play the mandolin chords right away - no experience required!
Guitar and Bass
FREE software for fretted instruments, such as Guitar, Bass, Banjo, and more