Noor - Chat like you're in the office together
Flowkey - The easiest way to learn piano with your iPhone or iPad
Commons - Private Clubhouse for your team to collaborate and connect
Yousician - Learn to play music at home, at your own pace
ZipMessage - ZipMessage replaces live meetings with asynchronous conversations.
Melodics - Melodics is a desktop app that teaches you to play MIDI keyboards, pad controllers, and drums.