Apollon is a filesharing client that uses giFT/openFT as a file-sharing protocol, and the GUI is very user-friendly and intuitive. It has an "all-in-one"-installer.
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.
