There are three versions of the license commonly known as the LGPL:
- GNU Library General Public License, version 2 (SPDX short identifier: LGPL-2.0)
- GNU Lesser General Public License, version 2.1 (SPDX short identifier: LGPL-2.1)
- GNU Lesser General Public License, version 3 (SPDX short identifier: LGPL-3.0)