Metaweb Technologies

Metaweb Technologies, Inc. is a company based in San Francisco that is developing Metaweb, a semantic data storage infrastructure for the web, and Freebase, an open, shared database of the worlds knowledge. The company was founded by Danny Hillis and others as a spinoff of Applied Minds in July, 2005, and operated in stealth mode until 2007.

Freebase is a massive, collaboratively edited database of cross-linked data. The idea behind the product is to create a Wikipedia like system for building the semantic web. Freebase allows anyone to contribute, structure, search, copy and use data. It sounds like Wikipedia, but instead of arranging by articles, it is more of an almanac, organized like a database, and readable by people and software.