docs/about/LICENSE.md

+# License
+
+<!-- [![GitHub license](../img/license-GPL-blue.svg)](https://raw.githubusercontent.com/JuPedSim/jpscore/master/LICENSE) -->
+
+JuPedSim is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+any later version.
+
+JuPedSim 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 Lesser General Public License
+along with JuPedSim. If not, see [GNU licenses](http://www.gnu.org/licenses).
+
+
+