LinkedIn Live - LinkedIn's new video streaming service, available in US 🇺🇸
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.
Mux Live Streaming API - A simple API to powerful live video streaming
Red5 - Red5 is an open source Flash media server for live streaming solutions of all kinds.
Mevo by Livestream - The live event camera
Nimble Streamer - Light-weight media server that is freemium, pay for control panel if you need it.