SysStats displays widgets on your windows desktop. It is primarily used as a plugin for ObjectDock, AveDesk, RKLauncher and others, but the source here also has a small standalone app that will place widgets on your desktop.
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.