Download of Postgres Plus 9.0 for Mac was on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The most popular version of the application is 9.0. We recommend checking the downloaded files with any free antivirus. This Mac application is a product of org.postgresql. Postgres Plus for Mac lies within Developer Tools, more precisely DB Tools.
From the developer:
This application improves upon PostgreSQL with pre-installed enterprise modules for connection pooling, replication, memory caching, spatial data support, job scheduling for administrators, install time tuning, Update Monitor for keeping installation code up to date, and client connectors for Java, .NET, and ODBC for developers.
You may want to check out more Mac applications, such as SQLPro for Postgres lite, Postgres.app or PostgreSQL, which might be similar to Postgres Plus.
Database Tools
Database Tools