Absolute Fretboard Trainer
Course to mastering fretboard of guitar, bass
Course to mastering fretboard of guitar, bass
Musician Expansion Pack for Bass Guitar
Ear-training course for guitar & bass players
Guitar tuner for PC/Windows
Lessons for beginner/intermediate player
Compact MIDI-based BEADGC bass tuner.
GuitarCourses.ws Fretboard Trainer
Timer App For practicing how to play bass
Training software develops your guitar speed
http://www.guitarbass.us