Anki is licensed under the GNU Affero General Public License, version 3 or later, with portions contributed by Anki users licensed under the BSD-3 license: https://github.com/ankitects/anki-contributors. The following included source code items use a license other than AGPL3: * The anki/template/ folder is based off pystache: MIT. * The SuperMemo importer: GPL3. * The Pauker importer: BSD-3. * statsbg.py: CC BY-SA 3.0.