Robinhood - Free stock trading service.
Vanido - Vanido is a singing coach in your pockets.
Richie Invest - An app that lets you invest with your friends
Scope - The PC based Soundcard Oscilloscope receives its data from the Soundcard with 44.
Raiz - Invest spare change automatically from everyday purchases into a diversified portfolio.
Peeptrade - The social network for investors