The INX "script set" in /usr/local/ (or available on launchpad.net) is  
 Free Software.
 
 These scripts are copyleft Peter Garrett (peter-garrett [at] 
 ubuntu.com , with the exception of the plait and plaiter scripts,
 written by Stephen Jungels.  

 Contributions and additional copyrights are noted in scripts as 
 applicable.

 You can redistribute the INX script set and/or modify it 
 under the terms of the GNU General Public License as published by 
 the Free Software Foundation; either version 3 of the License, 
 or (at your option) any later version.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program; if not, write to 
 
 The Free Software Foundation
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
 Or, you can obtain a copy of the licence from 
 http://www.gnu.org/licenses/licenses.html#GPL