QSAR is a project that aims to build a GUI that enables people to build quantitative structure activity (or property) relationship models. It will use parts of CDK (cdk.sf.net), JOELib (joelib.sf.net), R (www.r-project.org) and other projects.
GELLO is an ANSI-accredited HL7 standard for creating computable, unambiguous clinical queries. This project creates an open source compiler and client-server IDE. Projects are stored in a subversion repository, and created by the RCP based client.