ControlAir Alternatives
ControlAir is described as 'provides magical touch free control over media applications on your Mac, such as iTunes, Spotify and others. Just raise your finger in the air to control volume, skip songs and pause. A finger raised to your lips will mute the sound' and is an app in the travel & location category. There are 2 alternatives to ControlAir for Mac and Windows. The best alternative is The Hand Vu, which is free.
The Hand Vu uses a camera and uses gesture motions to navigate through the computer.
No screenshots yetZesture uses your laptop's camera (and AI) to give you touch-free control over your media, entertainment and presentation applications (without any extra hardware).