My software has been used ...

... at Joanneum Research: CaMiCatzee, RDF-O-Meter
... by Drupal developers: RDF module, SPARQL module, OpenCalais module
... at the University of Glasgow: Life Science Identifier (LSID) Tester
... at the Digital Enterprise Research Institute: MOAT, SMOB, SPARQLPush
... at Talis: Moriarty, Morph
... at University of Mary Washington: Semantic UMW
... at the Library of Congress: Subject Headings SPARQL Endpoint
... at Japan's Library of the National Diet: Web NDL Authorities
... by Semantic MediaWiki developers: RDFIO
... at the TWC (Rensselaer Polytechnic Institute): Data.gov Datalog Search, AidViz
... by the Wiss-KI EU project: SPARQL APIs for authority files from German National Library and Museumsvokabular.de
... at MIT's Digital Information Group: Course on Linked Data
... in Japan to track the government's radioactivity data after the Fukushima tragedy
... by punkt. netServices: PoolParty glossary plugin for WordPress.