Squid Graph is a powerful logfile analysis tool for native Squid version 2 logfiles. It generates HTML reports and graphs of accesses, transfers and transfer durations, somewhat similar to MRTG.
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.
