1)   # 1 PostgreSQL Manager - Navicat PostgreSQL Lite 8.0.27
Navicat (PostgreSQL Lite - is a set of graphical database management, reporting and monitoring tools for PostgreSQL database systems. Navicat is easy-to-use and powerful.

 2)   pgISQL (Interactive SQL for PostgreSQL) 2.2.0
Interactive SQL for PostgreSQL is a powerfull database utility for building, executing and processing queries upon PostgreSQL databases.

 3)   # 1 PostgreSQL Manager, PostgreSQL Client - Navicat (support Access to MySQL) 8.0.27
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.

 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!