A multi-purpose and multi-protocol (Hybrid) Data Server from OpenLink Software that includes SQL Object-Relational, RDF, XML, and Free Text data management, alongside Web Application (HTTP, SOAP, WebDAV), SyncML, and Discussion Server functionality, in a single server.
Additional Information Links
Linked Data Web URI
Wikipedia Page
Product Home Page
Open Source Edition Home Page
Online Documentation
Online Tutorials e.g. Creating RDF from Web 2.0 Data Sources
RDF Browsers & Middleware
SPARQL based Declarative SQL-RDF Mapping White Paper (PDF)
RDF Views of SQL Data Presentation (PowerPoint)