FastJar is an attempt to create a much faster replacement for Sun's 'jar' utility. Instead of being written in Java, FastJar is written in C and is around 50-100 times faster than its Java counterpart on Linux 2.X systems.
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.