Wowza - Streaming media server supporting all known streaming protocols.
YouPHPTube - It is an open source solution that is freely available to everyone.
MistServer - MistServer is a lightweight, open-source multistandard multimedia server.
Dailymotion - Dailymotion is a large online file sharing site that can prove to be a viable alternative to larger portals such as YouTube. If you have been hoping to enjoy videos even while offline this free Dailymotion download software is a useful option.
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.
Nimble Streamer - Light-weight media server that is freemium, pay for control panel if you need it.