Dawn of Discovery Assistant is a program that is useable with the Dawn of Discovery PC game, also known as Anno 1404 outside the U.S.. It shows you production chains and the amount of each civilization type supported by a single production chain.
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.