Flowkey - The easiest way to learn piano with your iPhone or iPad
TradingView - The best charting tool for crypto and stocks
Yousician - Learn to play music at home, at your own pace
eToro - The social investment network that connects traders from around the globe and enables them to share...
Melodics - Melodics is a desktop app that teaches you to play MIDI keyboards, pad controllers, and drums.
Robinhood - Free stock trading service.