Streamroot - Streamroot is a next-generation HTML5 video optimization technology helps broadcasters deliver lightning-fast streams to a global audience.
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.
Demodesk - Collaborative screen sharing for sales & success teams
Red5 - Red5 is an open source Flash media server for live streaming solutions of all kinds.
Promo.com - Every promotion starts with Promo.com.
Nimble Streamer - Light-weight media server that is freemium, pay for control panel if you need it.