RDF lint - look for common problems in RDF data
report causes of syntactic non-conformance in OWL
Treats non-RDF databases as virtual Jena RDF graphs
A fully Jena based semantic CMS. Implements URIQA. File-based persistence.
Jena driver for the Apache Derby Database
A GUI interface for working with SPARQL queries
Code generator that emits Java Beans from OWL Web Ontologies
Jena Sesame Model - Sesame triple store for Jena models
XML to RDF, RDF to XML, XSD to OWL mapping tool
Todd Detwiler - University of Washington Structural Informatics Group
A path expression (a.k.a. "regular paths") property function library for ARQ SparQL
Fulvio Crivellaro and Gabriele Genovese and Giorgio Orsi
Reduced version of Jena for mobile devices
This projects adds geo-spatial predicates and reasoning features to Jena property functions.
An infinite graph implementation for RDF graphs