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.
EarMaster - Professional software for ear training and practical music theory on Windows and Mac.
Red5 - Red5 is an open source Flash media server for live streaming solutions of all kinds.
GNU Solfege - GNU Solfege is free music education software.
MistServer - MistServer is a lightweight, open-source multistandard multimedia server.
LenMus - LenMus is a free program for learning music.