Arla is a free AFS client and server implementation. The main goal is to make a fully functional client with all capabilities of normal AFS. Other implemented things are all the normal management tools and a server.
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.