PUBLIC MARKS from clochix with tags tools & semantic

SemWebCentral is an Open Source development web site for the Semantic Web. One purpose of SemWebCentral is to support the Semantic Web community by providing a free, centralized place for Open Source developers to manage Semantic Web software and content development. The other purpose is to provide resources for developers or other interested parties to learn about the Semantic Web and how to begin developing Semantic Web content and software.

The openRDF.org site is a community site that is the center for all Sesame-related development. Sesame is an open source RDF framework with support for RDF Schema inferencing and querying.