Download OpenSTV
MS Windows
Download OpenSTV-1.2-win32.exe (5.2 MB).
Mac OS X
Download OpenSTV-1.2-osx.dmg (13.0 MB), open the disk image, and drag the OpenSTV application to your Applications folder.
Linux
Install Python and wxPython. Download and unpack OpenSTV-1.2.tar.gz (109 kB) and run OpenSTV.py.
svn
Use this command to check out a copy of the OpenSTV source via subversion:

   svn co https://stv.svn.sourceforge.net/svnroot/stv/trunk OpenSTV