The software is licensed under the GNU General Public License v3 or later. If you are interested in licensing the software for commercial purposes, without disclosing your modifications, please contact the authors.
COLMAP - Structure-from-Motion and Multi-View Stereo. Copyright (C) 2016 Johannes L. Schoenberger <jsch at inf.ethz.ch> This program 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, either version 3 of the License, or (at your option) any later version. This program 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 program. If not, see <http://www.gnu.org/licenses/>.