Pligg is Web 2.0 Content Management System (CMS) unlike any other existing CMS. Pligg's Web 2.0 user interface gives your visitors a reason to come back to your site by making them decide on the site's content and giving them the chance to social network.
Technically speaking, REBOL is an advanced language that gains its advantage through lightweight domain-specific sublanguages and micro-formats. REBOL introduces the concept of dialecting: small, efficient, domain languages for code, data, and metadata.