iDVR (formerly Devolution Security System) is a video surveillance
system which can handle up to 16 cameras with motion detection,
notification, and recording on motion to mp4. It can stream over a LAN
(multicast) or over the Net (unicast).
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.