Semantic Web Tools
This is a comprehensive collection of tools and applications for the Semantic Web. It is maintained by Mike Bergman with help from the Semantic Web Company.

http://semwebcentral.org/

http://www.discoversemantic.com/
a search engine for semantic web topics

Cycorp, Inc., based in Austin, Texas was founded by computer science pioneer and Stanford professor Douglas Lenat to to codify, in machine-usable form, the millions of pieces of knowledge that comprise human common sense in Cyc.

OpenCyc is the open source version of the Cyc technology, the worlds largest and most complete general knowledge base and commonsense reasonging engine. Cycorp, the builders of Cyc, have set up an independent organization, OpenCyc.org, to disseminate and administer OpenCyc, and have committed to a pipeline through which all current and future Cyc technology will flow into ResearchCyc (available for R&D in academia and industry) and then OpenCyc.

In4mation 4 you!
iGlue is the revolution of meaning. It not only helps us understand information on the Internet better but it will also make the Net understand us and adapt to us.

Semantic Interoperability of Metadata and Information in unLike Environments

Unlike traditional search engines, which crawl the Web gathering Web pages, Semantic Web search engines index RDF dat...

Linking open data community project