WEKA 3.2 with Rough Set functionalities

Rough Set package
weka.roughset  

 
Other Packages
weka.associations  
weka.attributeSelection  
weka.classifiers  
weka.classifiers.adtree  
weka.classifiers.evaluation  
weka.classifiers.j48  
weka.classifiers.kstar  
weka.classifiers.m5  
weka.classifiers.neural  
weka.clusterers  
weka.core  
weka.core.converters  
weka.estimators  
weka.experiment  
weka.filters  
weka.gui  
weka.gui.experiment  
weka.gui.explorer  
weka.gui.streams  
weka.gui.treevisualizer  
weka.gui.visualize