ArbitroWeb is an anonymous Web surfing proxy written in PHP. It will redirect all Web requests thru its set of scripts, and all URLs contained will be adjusted/mangled to its own scripts.
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.