Licence of Learning Info System (LIS) Copyright (c) 2015-2016 Sander Mets, Eleri Apsolon, Arnold Tšerepov, Marten Kähr, Kristen Sepp, Alar Aasa, Juhan Kõks You may use LIS for free, but you MAY NOT sell it without permission. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND.