Facebook AR Studio - Facebook's developer platform for Augmented Reality
YuMe - A multi-screen video advertising company providing digital video brand advertising solutions.
Vossle - Create Web-based AR Experience in Under 1 Minute. No coding required. No app required
Theremin - Multitouch synth instrument that makes an array of sounds
ARQ Editor - ZeroCode tool to create AR applications
Google Music Lab - Interactive experiments that use the Web Audio API