Beatmatch - Have you ever wondered how strong your bond is with someone?
Google's A.I Duet - Play a piano duet with Google's AI
Musiio Tag - Tag songs quickly using Artificial Intelligence
Ant Media Server - Scalable, Ultra Low Latency & Adaptive WebRTC Streaming Ant Media Server provides Scalable Ultra-low latency (0.5 seconds) Adaptive Live Streaming with WebRTC. It supports RTMP, RTSP, Zixi, WebRTC, Adaptive Bitrate, HLS and MP4 recording.
Songlio - Free musical guessing game: race friends to name that tune
Meludia - Listening exercises and to sharpen your ear and music theory skills