Polyphonic Audio To MIDI VST plugin by WIDISOFT for MAC OS X.
Musician Expansion Pack for Mastering Guitar Arpeggio Patterns
Free
MixPad is a free sound mixing software for audio and music production for Mac.
Organic Music Production Studio
Musician Expansion Pack for Mastering Rhythm Guitar Licks and Riffs
Keep the beat with TempoPerfect Free that runs on your Mac OS X.
Musician Expansion Pack for Mastering Bass Guitar Licks and Riffs
MixPad professional multi-track recording and mixing software.
Tools to help you to compose and write your own music intuitively.