Check a list of web sites for their Google PageRank score. Can work with 10,000 or more web sites at once: just copy-paste all the domain names and let the program run in the background.
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.