The Eurêka project is a complete Learning object repository solution. Features include:
A full IEEE LOM metadata editor
Full VDEX support (unlike other systems it actually exploits them)
Full vCard support.
A large number of import and export formats: IEEE LOM XML, Dublin Core, CSV (Coma Separated Values), RSS 2.0, Open Document (ISO/IEC 26300:2006), IMS VDEX, VCard 3.0 (RFC2425 and RFC2426)
All applicable harvesting protocols and then some: OAI-PMH v2.0 Client and Server, ECL Search / Expose, Eureka HTML Spider protocol, RSS and Atom feed spider.
A sophisticated and very fast search engine
Virtual host support allowing displaying different overlapping collections of objects at different URLs
Multiple application profiles, including an editor to define your own.
At one point, Open Hub analyzed source code for this project based on code location(s) available at that time. Since then, the code locations have been removed.