come here to download and have a try : https://sourceforge.net/projects/shappy/
or check out from svn:
$svn co https://shappy.svn.sourceforge.net/svnroot/shappy shappy
thanks!
steps:
1. download and install Ruby : http://www.ruby-lang.org/en/downloads/
2. download activetcl (will unneccesary in future :-)) : www.activestate.com/activetcl/
note: ruby 1.9 works fine with tcl8.4 only.
3. download latest version of shappy at : https://sourceforge.net/projects/shappy/
4. $run shappy.rb