Automne is an Open-Source software distributed under the GNU General Public License (GNU-GPL V2 and later). There is therefore no license fees and you have the following rights on the program:
- Freedom to run the software for any purpose;
- Freedom to study how the program works and adapt to its needs, which requires access to source code;
- Freedom to redistribute copies;
- Freedom to improve the program and publicizing the changes so that the whole community benefits.
Official version: GNU GENERAL PUBLIC LICENSE
For more information on this license, you can read the text on Wikipedia.