PostgreSQL is released under the PostgreSQL License, a liberal Open Source license, similar to the BSD or MIT licenses.

April 19, 2024 - Redis. The author, a member of the PostgreSQL Core Team, clarifies that PostgreSQL remains dedicated to being free and open source indefinitely, with no plans to alter its license.

There is a wealth of information to be found describing how to install and use PostgreSQL through the official documentation. The open source community provides many helpful places to become familiar with PostgreSQL, discover how it works, and find career opportunities.

December 6, 2024 - Version N/ASubmitted: September 24, 2009Submitter: Dave PageApproved: February 10, 2010 Board minutes SPDX short identifier: PostgreSQL ... This is a template license. The body of the license starts at the end of this paragraph. To use it, say that it is The PostgreSQL License, and then substitute the copyright year and name of the copyright holder into the body of the license.

Q: How many PostgreSQL users are there, worldwide? A: Our wide distribution through the open source world and liberal licensing make that a difficult question to answer with any accuracy. Most users get PostgreSQL with a Linux distribution, or with some of the many other products, OSS software, and hardware devices that include PostgreSQL.

March 20, 2024 - But the biggest reason why PostgreSQL would not change its license is the disservice it would do to all PostgreSQL users. It takes a long time to build trust in a technology that is often used for the most critical part of an application: storage and retrieval of data.

December 13, 2016 - Learn the implications of the PostgreSQL license for your business. Free, unlimited, modifiable, and distributable forever, without any catches.

June 4, 2026 - Version 1.0 of Postgres95 was announced ... liberal license that enabled the software to be freely modifiable. On July 8, 1996, Marc Fournier at Hub.org Networking Services provided the first non-university development server for the open-source development effort. With the participation of Bruce Momjian and Vadim B. Mikheev, work began to stabilize the code inherited from Berkeley. In 1996, the project was renamed to PostgreSQL to reflect ...

April 16, 2026 - The PostgreSQL License, similar in permissiveness to the MIT License, is one of the most liberal in the open source community. With a grand total of 163 words, the license is easy to read and understand by anyone.

PostgreSQL Database Management System (formerly known as Postgres, then as Postgres95) Portions Copyright (c) 1996-2010, The PostgreSQL Global Development Group Portions Copyright (c) 1994, The Regents of the University of California Permission to use, copy, modify, and distribute this software ...

November 26, 2024 - > > > PostgreSQL itself is an open source project distributed under a very permissive license: > > https://www.postgresql.org/about/licence/ > > No payment is required to download and run it.

License of the Program or a work on which the Program is based.

December 13, 2016 - PostgreSQL is BSD style licensed. Do what you want with it.

Please note that only licenses which use this _EXACT_ text, with <FAHAD> and <ORGANIZATION> substituted in can be considered to be under the PostgreSQL license.

Fully distributed PostgreSQL

Percona Distribution for PostgreSQL is licensed under the PostgreSQL license and licenses of all components included in the Distribution.

March 12, 2025 - At its heart, the PostgreSQL License is a permissive, BSD‑style license crafted to foster innovation with minimal legal restraints. Created by the PostgreSQL Global Development Group, the license has been embraced for its ability to promote ...

There is no standard license header for the license · <<beginOptional>>PostgreSQL Database Management System (formerly known as Postgres, then as Postgres95) <<endOptional>> <<var;name="copyright";original="Portions Copyright (c) 1996-2010, The PostgreSQL Global Development Group Portions Copyright (c) 1994, The Regents of the University of California ";match=".{0,5000}">> 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.

You can view the manual for an older version or download a PDF of a manual from the below table · Looking for documentation for an older, unsupported, version? Check the archive of older manuals

The PostgreSQL JDBC Driver is distributed under the BSD-2-Clause License. The simplest explanation of the licensing terms is that you can do whatever you want with the product and source code as long as you don't claim you wrote it or sue us.