PremiumSoft Navicat Lite for PostgreSQL 8.1

Allows you to simultaneously connect to MySQL, MariaDB, SQL Server.

Free

Navicat is a fast, reliable and affordable Database Administration tool.

A database tool to build conceptual, logical, and physical data models.

Manage MySQL, Oracle, PostgreSQL, SQLite, SQL Server and/or MariaDB databases.

Connects to MySQL databases and manages their tables.