3store is an RDF "triple store", written in C and backed by MySQL and Berkeley DB. It is an optimization and port of an older triple store (WebKBC). It provides access to the RDF data via RDQL or SPARQL over HTTP, on the command line or via a C API.
Triplestore (RDF)
SPARQL
Shared-Everything
http://threestore.sourceforge.net/
https://sourceforge.net/projects/threestore/
http://threestore.sourceforge.net/documentation.php
Southampton University
GB
2003
2006
Academic, Open Source
C
Berkeley DB, MySQL
GPL v2