Freebase: An Overview Posted on May 29, 2008. Freebase, the first product of semantic web company Metaweb, is an open, semantically marked up database of information that we called one of the “10 semantic apps to watch” last year. With $57.4 million in funding, a smart team, and a tech legend in Danny Hillis at the helm, Metaweb is considered to be one of the most serious players in the Sema ... Continue reading