Calais: Connect. Everything.

We want to make all the world's content more accessible, interoperable and valuable. Some call it Web 2.0, Web 3.0, the Semantic Web or the Giant Global Graph - we call our piece of it Calais.

Calais is a rapidly growing toolkit of capabilities that allow you to readily incorporate state-of-the-art semantic functionality within your blog, content management system, website or application.

Latest News

Featured Application

CBS Interactive/CNET uses OpenCalais for semantic analysis of its tech product reviews, award-winning news, and blog postings on consumer electronics and technology, where it streamlines CNET’s content operations, drive audience engagement, and further extends CNET’s reach across the Web. Read about CNET’s pioneering work in this ReadWriteWeb article.

To read more about the pioneering work of entrepreneurs, publishers and developers using OpenCalais, visit our partner page.

Introduction to OpenCalais Heard the buzz about OpenCalais but still have some fundamental questions? Start with this blog post for a big picture overview, and then click on the "How Does Calais Work" link above.

Calais and You

Choose one of the user types below to see what you can do with Calais.

For a demonstration of Calais capabilities, visit the Document Viewer.