Wikidata Query Service

The Wikidata Query Service (WDQS) provides a way for tools to access Wikibase data, via a SPARQL API.

Other tools
This section should eventually find better place, for now this is the list of related tools:
 * http://tools.wmflabs.org/wdq2sparql/w2s.php - WDQ to SPARQL translator
 * https://tools.wmflabs.org/bene/sparql/ - SPARQL query generator
 * https://tools.wmflabs.org/ppp-sparql/ - natural language query generator based on Platypus
 * https://github.com/mariushoch/asparagus - Command-line client
 * https://github.com/nichtich/wdq - Command-line client
 * https://cran.r-project.org/package=WikidataQueryServiceR - R wrapper for WDQS API; send a SPARQL query, get back a data.frame

For more tools, see Wikidata:Tools.