MadMapper - The Mapping Software
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.
Resolume - Resolume is an application for live video performances.
Red5 - Red5 is an open source Flash media server for live streaming solutions of all kinds.
Linux Show Player - Sound player designed for stage productions
MistServer - MistServer is a lightweight, open-source multistandard multimedia server.