aviManager helps you manage your (large) movie (DVD, DivX) collection. It ships with an intelligent voting system for many users, and attempts to find the best movie to watch. There is also a nice IMdb grabber for fast movie adding.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.