A very short, BSD-style license, used specifically for PostgreSQL.
Permissions:
✓ Commercial use
The licensed material and derivatives may be used for commercial purposes.
✓ Distribution
The licensed material may be distributed.
✓ Modification
The licensed material may be modified.
✓ Private use
The licensed material may be used and modified in private.
Conditions:
✓ License and copyright notice
A copy of the license and copyright notice must be included with the licensed material.
Limitations:
✗ Liability
This license includes a limitation of liability.
✗ Warranty
This license explicitly states that it does NOT provide any warranty.
PostgreSQL License
Copyright (c) [year], [fullname]
Permission to use, copy, modify, and distribute this software and its
documentation for any purpose, without fee, and without a written agreement is
hereby granted, provided that the above copyright notice and this paragraph
and the following two paragraphs appear in all copies.
IN NO EVENT SHALL [fullname] BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT,
SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING
OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF [fullname]
HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
[fullname] SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" BASIS,
AND [fullname] HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, UPDATES,
ENHANCEMENTS, OR MODIFICATIONS.