RDQLPlus is a tool for querying RDF graphs, featuring
graphical results in a zoomable user interface (ZUI). It can
work with existing RDF files, Jena2 RDF databases, and a
native Java database called Mckoi.
Celtx is a comprehensive software package designed
for people who work in the film, TV, theatre, and
new media industries. It combines full-feature
scriptwriting with media rich pre-production
support and enables online collaboration.