1)   EMS SQL Manager 2005 for PostgreSQL 4.4
EMS SQL Manager for PostgreSQL is a powerful graphical tool for PostgreSQL DB Server administration and development.

 2)   EMS PostgreSQL Manager 2.8
EMS PostgreSQL Manager is a powerful graphical tool for PostgreSQL administration and development. It makes creating and editing PostgreSQL database objects easy and fast.

 3)   EMS PostgreSQL Manager Lite 3.1
EMS PostgreSQL Manager Lite is a light and easy-to-use freeware graphical tool for PostgreSQL administration. It has minimal required set of instruments for those users who are new to PostgreSQL server and need only its basic functionality.

 4)   # 1 PostgreSQL Manager for Navicat PostgreSQL(Mac OS X) - Compatible with Mac OS X Leopard! 7.1.1
Navicat (PostgreSQL Client - a GUI Tool for PostgreSQL admin and Access to PostgreSQL, Excel to PostgreSQL conversion). Navicat is a set of graphical database management, reporting and monitoring tools for PostgreSQL database systems. Navicat is easy-to-use and powerful. It is compatible with Mac OS X Leopard!