POESIA= Public Opensource Environment for a Safer Internet Access
an opensource Internet content filter (multimodal, mulitlingual) aimed for protection of youth (in schools...); partly funded by the European Commission
WYMIWYG KnoBot is a content management system for the semantic web designed to promote the exchange of content with a P2P and reputation based system. The aim is to create a socio-topical space, a perspective dependent space of information and knowledge.
A framework for building, deploying and managing well-described REST-ful Web services, including REST-ful Web Services realizations for RSS, XML Topic Maps, Structured Arguments, and Workflow.
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.
The Nokia Semantic Web Server is an RDF based knowledge portal
for publishing both authoritative and third party descriptions of URI
denoted resources. It also serves as Nokia's reference implementation
of URIQA, the URI Query Agent model.
J-Alice is a C++ implementation of an Alicebot clone. It can chat on console, irc and function as a mini-http server. Currently it runs on Linux, BeOS, Windows and Solaris with equal functionality.