Authlib offers two licenses, one is APGLv3+ for open source projects, one is a commercial license for closed source projects.
Open Source License¶
Copyright (C) 2017 Hsiaoming Yang
This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License along with this program. If not, see <https://www.gnu.org/licenses/>.
The content of the commercial license can be found in the repository in a file named COMMERCIAL-LICENSE. You can buy a license at: