rsscache allows you to aggregate and cache feeds (including RSS) into an SQL database and generate new feeds from them using search queries, categories, etc. A simple XSL example to turn the cache output into a new Web site is included.
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.