Graph-RAT is a database abstraction layer designed to make it easy to use a large library of graph-analysis routines on a database as well as add new kinds of algorithms to data mining.
Gedapi is an AJAX javascript library built to interact with a server side RESTful web service api that exposes data stored in GEDCOM files. Gedapi provides the ability to link between distinct GEDCOM files without modifying or merging the GEDCOM files.
An Open Source, web based mail survey tracking system. queXM has sample management, uses AAPOR outcomes, can implement the Total Design Method (Dillman), generates postal manifests, and assists with questionnaire form archiving and tracking.