RSS Bandit is a free application that allows you to read news feeds (both RSS and Atom feeds) and download podcasts from your desktop. It also can synchronize with your feeds in Google Reader and the Facebook news feed.
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.