The Grip License

Grip is Free Software. Grip is copyrighted, not public domain, and there are restrictions on its distribution or redistribution:

• Grip and supporting files are published under the terms of the GNU General Public License version 3 or later. See the file LICENSE.
• This manual is published under the terms of the GNU Free Documentation License (see GNU Free Documentation License).

You must be aware there is no warranty whatsoever for Grip. This is described in full in the license.