Postgres.app contains a full-featured PostgreSQL installation in a single package:
Are you looking for a specific version of PostgreSQL? The following popular builds are available:
PostgreSQL 9.3.10 with PostGIS 2.1.8
PostgreSQL 9.4.5 with PostGIS 2.1.8
PostgreSQL 9.5beta2 with PostGIS 2.2.0
You can find even more versions on the Releases Page on Github.
When reporting bugs, let us know which version of Postgres.app & OS X you are using, and be sure to include detailed error messages, even if your issue seems similar to another one.
Want to contribute to the project? Here are some great ways you can help:
For more information on how you can contribute, email Jakob Egger: firstname.lastname@example.org.
Postgres.app, PostgreSQL, and its extensions are released under the PostgreSQL License.
PostGIS is released under the GNU General Public License (GPLv2).
PLV8 is released under the BSD 3-Clause License.
Postgres.app is maintained by Jakob Egger.
Postgres.app was created by Mattt Thompson.