MythTV is a project aiming to create a homebrew set-top box. The end goal is to have a nice interface for watching TV, recording shows, listening to music, etc., all displayed on a TV and controlled by a remote.
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.