Sparklis is a query builder in natural language that allows people to explore and query SPARQL endpoints with all the power of SPARQL and without any knowledge of SPARQL.
LODmilla is a DBpedia visualization service. LODmilla aims at visualizing associations in LOD graphs with special linked data functions such as
Are you interested in how things are related with each other? The flash-based RelFinder helps to get an overview: It extracts and visualizes relationships between given objects in RDF data and makes these relationships interactively explorable.