EarMaster - Professional software for ear training and practical music theory on Windows and Mac.
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.
GNU Solfege - GNU Solfege is free music education software.
Kurento - Kurento is an open source software development framework providing a media server written in C/C++...
Meludia - Listening exercises and to sharpen your ear and music theory skills
MistServer - MistServer is a lightweight, open-source multistandard multimedia server.