Redland is a set of object-based, modular and portable C RDF libraries providing RDF APIs for the graph, triple storage (librdf), RDF/XML parsing and serializing (Raptor), SPARQL RDF querying (Rasqal). Language APIs in Perl, PHP, Python, Ruby and others.
Platform-independent recursive search library. C-API, written in C/C++, with mappings to C++, COM, D, Java, .NET, Python, Ruby, STL, with more to come.
FGL is a tightly-integrated self-contained development & execution environment utilizing best-of-breed programming tools and methodologies, optimized web/application server, highly-scalable relational/object database, and robust extension interface.
filecached is a high-performance, file-based caching system, intended for use in speeding up dynamic web applications by alleviating database load.