Tools

cwm

I use cwm (“closed world machine” ) to aggregate and apply inference rules to my data.

jpegrdf

I use jpegrdf to store metadata about photographs inside the photographs.

Jena

Jena is a Java library for accessing RDF graphis.

XSLT/RDFTwig

I use RDFTwig, a set of extension XSLT extension functions, to make it easier to style RDF data for presentation.

My own Palm stuff

My Palm Pilot is my “personal information appliance”. I store as much data in there as I can.