Flussonic!

Universal Media Server is a media server capable of serving videos, audio and images to any DLNA-capable device.It supports any device capable of DLNA and runs on all major operating systems: Windows, OS X and Linux.

MediaGoblin is a free software media publishing platform that anyone can run. You can think of it as a decentralized alternative to Flickr, YouTube, SoundCloud, etc.

netjukebox is a web-based media jukebox for MPD, VideoLAN and Winamp/httpQ. It features real-time MP3 streaming from different audio formats. Download single tracks or a whole album in one zip file. It is also possible to batch transcode the whole music collection to another format or bitrate without touching the original files. For more information look at the netjukebox website.

YouPHPTube! is an video-sharing website.

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

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.

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. »

Streaming media server supporting all known streaming protocols.

Nimble Streamer is a server software for streaming media content.~ Input live protocols: RTMP, RTSP, MPEGTS, Icecast.~ Live output: HLS, MPEG-DASH, RTMP, RTSP, MPEGTS, Icecast.~ Live Transcoder with H.264/AAC output~ VOD support for HLS, DASH and progressive download.~ Hotlinking protection and paywall feature set.

Mammoth is an Open Source c++ Flash Server software that enables you to stream, video and audio on the web. Has built-in support for all possible flash codecs (thank you ffmpeg!) h264, sorenson, speex, ... and streams through rtmp, rtmpe, rtmpt.

slimpd - PHP/JS based MPD-web-client for large music collections

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.