EarMaster - Professional software for ear training and practical music theory on Windows and Mac.
keezy - A colorful soundboard. Play with music.
GNU Solfege - GNU Solfege is free music education software.
SoundGrail - SoundGrail Music App designed for pianists, guitarists, and DJs.
Perfect Ear - A simple yet advanced application for improving your solfege skills.
Figure - Propellerhead creates world-class software products and services that inspire music makers and provide the foundation for a worldwide creative musical community.