LIQA is available under GPLv3.

Copyright (C) <2021>  <Yu Hu/Kai Wang>

LIQA (refer to as this tool below) is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation with either version 3 of the License, or later version.

This tool 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 tool. If not, please refer to <http://www.gnu.org/licenses/>.
