keezy - A colorful soundboard. Play with music.

Bandlab - Capture, nurture, and collaborate on song ideas in the cloud

Figure - Propellerhead creates world-class software products and services that inspire music makers and provide the foundation for a worldwide creative musical community.

Music Memos by Apple - An app to capture your song ideas

Splice - Music creation, collaboration, and sharing made simple.

Amper Music - Artificial intelligence music composer