The referral community
Invitation App is a social network where people post their referral codes and collect rewards on autopilot.
The easiest way to learn to play instruments
flowkey is a cross-platform app for desktop and mobile devices that lets you learn to play a musical instrument in a revolutionary easy way by listening as you play.
The Personal Guitar Teacher in Your Pocket
Uberchord Engineering makes software to teach musical instruments. Our goal is to put a personal music teacher into everyone’s pocket. Our first product Uberchord is a mobile app learning platform that will teach you how to play the guitar with a breakthrough feedback ...