Template:Free screenshot

This screenshot is of a program released under a free software license. As a derivative work of that program, this screenshot falls under the same license.
Free software license: ⚠ No license specified — add |license=

This work is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This work 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 Lesser General Public License for more details.

or similar.

Usage

Use on File: pages to license screenshots of free/open-source software.

{{Free screenshot|license={{LGPL}}}}   ← BOINC client (LGPL)
{{Free screenshot|license={{GPL}}}}    ← GPL science apps

The license= parameter should be a transcluded license template such as {{LGPL}} or {{GPL}}.