An Oracle Table Browser (OTB), a Web-based
tool for developers and administrators of Oracle severs. Handles
table browsing/editing, properties, query editing and optimization, etc.
Similar in function to T.O.A.D. but works on Unix in a Web interface.
3store is an RDF "triple store", written in C and backed by MySQL and Berkeley DB. It is an optimisation 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.
Algernon is a rule-based reasoning engine written in Java. It allows forward and backward chaining across Protege knowledge bases. In addition to traversing the KB, rules can call Java functions and LISP functions (from an embedded LISP interpreter)
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