dvdtube is a Python script that will download all of a YouTube user's uploads and then optionally create a DVD from them. It's purely for educational purposes as a proof-of-concept.
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.