OpenLink Virtuoso is a scalable, high-performance multi-model database management systems and application server combo. All interaction with Virtuoso occurs via its support of industry standard query languages, protocols, APIs, and data formats such as: ODBC, JDBC, OLE-DB, ADO.NET, XMLA, SQL
... [More], SPARQL, XQuery, SOAP, HTTP, WebDAV, SyncML, Atom (Publishing and Syndication), OpenID, OAuth, WebID, RSS, XML, RDF, and more. [Less]
iODBC (Independent Open Database Connectivity) is an open-source ODBC driver manager and SDK that facilitates the development of database-independent applications on linux, freebsd, unix and MacOS X platforms.
Data adapter for ODBC-accessible databases such as Oracle, Informix, Ingres, OpenLink Virtuoso, SQL Server, Sybase, MySQL, PostgreSQL, DB2, Firebird, Progress, and others, providing consistent behaviour to ActiveRecord.
The OpenLink RDF Editor enables editing of RDF documents (in TURTLE notation) stored in a variety of HTTP accessible documents. Actual document access requires the target document is served from a system that supports at least one of the following open standards: Linked Data Platform (LDP), WebDAV
... [More], SPARQL 1.1 Update, or the SPARQL Graph Protocol. [Less]