SETools libraries are provided under: SPDX-License-Identifier: LGPL-2.1-only Being under the terms of the GNU Lesser General Public License version 2.1 only, according with: COPYING.LGPL SETools applications and unit tests are provided under: SPDX-License-Identifier: GPL-2.0-only Being under the terms of the GNU General Public License version 2 only, according with: COPYING.GPL All contributions to the SETools are subject to this COPYING file.