Keyboard Tools is a multi-platform application for Piano and Keyboard Players of any style.
It's a learning tool which helps you finding scales, chords, voicing, harmony and practicing.
It comes with a bunch of useful features and customization : from 2 to 5 octaves, different piano sounds, metronome, favorites tunes, circle of fifths, chords and scales, printing and copying the keyboard, ...
The keyboard can show notes, key numbers, can begin from midi note C-1 to C2, and will respond to mouse click, handling velocity, ...
Several windows can be opened, for example, one showing a chord and another showing the relative scale.
The favorites tunes "Player" can play almost any video or sound files.
See the screenshots and manual for more details.
Keyboard Tools is available for Apple Macintosh and Windows, and is localized in english and french for the moment.