Figure - Propellerhead creates world-class software products and services that inspire music makers and provide the foundation for a worldwide creative musical community.
GSnap - With GSnap you can get an auto-tune effect.
SoundGrail - SoundGrail Music App designed for pianists, guitarists, and DJs.
CrispyTuner - Fully featured vocal tuning suite.
keezy - A colorful soundboard. Play with music.
Celemony Melodyne - Celemony Melodyne is the perfect quick and easy tool for all your tuning needs.