Groovy is an unofficial Grooveshark client for the Apple TV. It can log in to Grooveshark, and search for songs, albums, and artists. It also supports playlists.
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.