EarMaster - Professional software for ear training and practical music theory on Windows and Mac.
Cursor Dance Party - A dance party, for your cursor
GNU Solfege - GNU Solfege is free music education software.
CursorFX - Create custom mouse cursors with CursorFX.
Meludia - Listening exercises and to sharpen your ear and music theory skills
Mouseposé - Mouseposé is the indispensible mouse pointer highlighting tool (aka "virtual...