SMAP is licensed under the GNU General Public License (http://www.gnu.org/copyleft/gpl.html). 
You can use SMAP for any purpose, provided that any programs or modifications you make and distribute are also licensed under the GNU GPL. 
You understand that SMAP is provided "AS IS", without warranty of any kind, not even the implied warranty of suitability, correctness, or fitness for a particular purpose. 
You agree to bear all risks and liabilities arising from the use of this software.