ChordIQ - Learn notes, chords, sight reading, perfect pitch and more.
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.
7Pad Scales and chords - Music instrument and assistant for playing scales and chords.
Red5 - Red5 is an open source Flash media server for live streaming solutions of all kinds.
Scales-Chords - Free online music tools featuring a searchable chord database and chord charts.
MistServer - MistServer is a lightweight, open-source multistandard multimedia server.