Mistserver is a open-source multimedia streaming server developed by DDVTech a company based in Netherlands. This server will support some technologies : HLS, HDS, Smooth Streaming, RTMP, …
For the moment, HDS, RTMP and progressive download are available. You can push too livestream via RMTP. The company have two others solutions : MistSteward, MistCenter.
DDVTech positions his solution in a competitive market with some actors : Adobe Media Server, Wowza, Red5, Apache, …