• Hosted services
• Wikidata
• VIAF
• VIVO Scientific Collaboration Platform
• OpenCorporates
• Taxonomic Databases
• Organized Crime and Corruption Reporting Project
• Nomisma
• Ordnance Survey
• FundRef
• Integrated Authority File (GND) via lobid-gnd
• Local services
• Reconcile-csv
• csv-reconcile
• SPARQL endpoints
• conciliator
• JournalTOCs
• FAST (Faceted Application of Subject Terminology)
• Nomenklatura
• Deprecated or defunct
• Freebase
• Talis Kasabi
• Wish List