Others: http://alias-i.com/lingpipe/index.html http://alias-i.com/lingpipe/index.html http://gate.ac.uk/ http://gate.ac.uk/ http://rapid-i.com/content/view/1

Others: http://alias-i.com/lingpipe/index.html http://alias-i.com/lingpipe/index.html http://gate.ac.uk/ http://gate.ac.uk/ http://rapid-i.com/content/view/181/190/ http://rapid-i.com/content/view/181/190/ http://elefant.developer.nicta.com.au/ http://elefant.developer.nicta.com.au/ (tanagra, weka, orange, (depending on what what you're looking for) )