Simply Piano - Fast and fun way to learn piano
VoiceText for Slack - Voice notes w/ transcription in Slack
Melodics - Melodics is a desktop app that teaches you to play MIDI keyboards, pad controllers, and drums.
Einote - Einote is a Chrome extension that allows Internet users to take notes on the fly with their voice right from any webpage.
Yousician - Learn to play music at home, at your own pace
Phonic.ai - Phonic is the easiest way to collect audio or video in an online survey. Designed for market research teams, startups and academic researchers.