This page describes links to a range of external tools that may be of use when developing your Heurist databases.
<oXygen/> is the best XML editor available, with a large number of users ranging from beginners to XML experts. It is the only XML tool that supports all the XML schema languages. The XSLT and XQuery support is enhanced with powerful debuggers and performance profilers. You can use <oXygen/> XML Editor to work with all XML-based technologies including XML databases, XProc pipelines, and web services.
Google Photos gives users free, unlimited storage for photos up to 16mp and videos up to 1080p. The service automatically analyses photos, identifying various visual features and subjects. Users can search for anything in photos, with the service returning results from three major categories: People, Places, and Things.