Wowza - Streaming media server supporting all known streaming protocols.
MistServer - MistServer is a lightweight, open-source multistandard multimedia server.
Streambuilder.pro - LIVE video Transcoding and Streaming 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.
Bitmovin - Bitmovin is a piece of software that includes all the most vital tools for handling any issues related to digital video content. The software runs through the cloud, so users won't have to worry about downloading anything to their local system.
Nimble Streamer - Light-weight media server that is freemium, pay for control panel if you need it.