Autoplot is an interactive browser for data on the web
Open Source and data mining software
Data quality analysis, profiling, cleansing, duplicate detection +more
Metatagging Editor for Learning Object Metadata (IEEE's LOM)
Image processing framework to integrate EM software packages.
DSOL: A Distributed Simulation Object Library implemented in Java
Weka4OC: Weka for Overlapping Clustering is a GUI extending WEKA