phpipam open-source IP address management
Minimalistic address book in web browser. No server or plugin needed.
eXist-db is a feature rich Open Source native XML database
Concise spatial query and representation system (c-squares)
Full-text index generator of OWL literals
Framework for search and display of heterogenous document collections.
GeoNetwork for AU/NZ users
In memory database for XML files
Simple Semantic Web Architecture and Protocol
Data migration/conversion library based on STX and XSLT transformation
Web-based RSS Reader