Wowza Media Server!

uShare is a UPnP (TM) A/V & DLNA Media Server. It implements the server component that provides UPnP media devices with information on available multimedia files. uShare uses the built-in http server of libupnp to stream the files to clients. GeeXboX uShare is able to provide access to both images, videos, music or playlists files (see below for a complete file format support list). It does not act as an UPnP Media Adaptor and thus, cant transcode streams to fit the client requirements.

Red5 is an open source Flash media server for live streaming solutions of all kinds.It is written in Java that supports

YouPHPTube! is an video-sharing website.

Kurento Media Server provides, out of the box, group communications, mixing, transcoding, recording and playing. In addition, it also provides advanced modules for media processing including computer vision, augmented reality, alpha blending and much more.

A powerful and versatile multi-format video streaming server capable of real-time transcoding, dynamic media format adaptation, and live video distribution to a variety of user devices.

GMediaServer serves audio and video files to certain network connected media players. Most hardware media players only play music and/or video—they don't provide the media themselves. Those media files have to come from a device on the network.

MistServer is a lightweight, open-source multistandard multimedia server. It bridges the gap between lightweight webservers and the usually heavyweight mediaservers that support non-HTTP protocols.

TVMOBiLi is an UPnP/DLNA media server for Mac, Windows and Linux.

The Adobe® Flash® Media Server family of products has become the industry-leading solution for streaming video and real-time communication. The ubiquity of the Adobe Flash Platform provides a rich viewing experience across virtually all operating systems and screens through integration with the Adobe Flash Player runtime, adopted on 98% of computer screens worldwide.

Unreal Media Server is a software streaming server offering rich choice of live and on demand streaming functionality. It streams with variety of streaming protocols to deliver content to Flash Player, Silverlight, Windows Media Player, Unreal Media Player, mobile devices and Set-Top boxes.

Flumotion is a leader in online video and audio technology. The multiple award-winning services include an Online Video Platform and Online Radio Platform that maximize content monetization and return on investment. The Software as a Service solution covers the entire value chain and transforms a single video or audio stream into value added content. It adapts live and on demand videos to all devices, allowing companies of any size to reach 100% of their audience. Clients and partners include Nestlé, L'Oréal, Orange, ACB, FIBA, Danone, Telefonica and NTT. »

Flussonic is a great scalable Media Server that is a cost effective alternative to Wowza Media Server and Adobe Flash Media Server . It was specifically designed to stream HDS/HLS/HTTP.

Smooth Streaming, an IIS Media Services extension, enables adaptive streaming of media to Silverlight and other clients over HTTP. Smooth Streaming provides a high-quality viewing experience that scales massively on content distribution networks, making true HD 1080p media experiences a reality.