Sirannon is a free, open-source, media server and client. The goal is to aid in video research and experimental streaming.Sirannon allows the programmer to create a wide variety of media-handling components such as streaming, reading, writing, packetizing.By organizing these components in a workflow the programmer can create many applications such as a media server, media proxy or video tool.Sirannon was introduced at the ACM multimedia conference in October 2009 under its former name xStreamer.