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, WebRTC, Adaptive Bitrate, HLS and MP4 recording.
Red5 - Red5 is an open source Flash media server for live streaming solutions of all kinds.
YouPHPTube - It is an open source solution that is freely available to everyone.
MistServer - MistServer is a lightweight, open-source multistandard multimedia server.
Nimble Streamer - Light-weight media server that is freemium, pay for control panel if you need it.
Flussonic - We develop software for streaming video since 2010. Flussonic server solutions help business clients store, capture, deliver and transcode video. Customers in more than 100 countries.