MySQLBuddy is a free and Java based utility that will allow you to connect to various MySQL databases. You will be able to run statements and basically work with MySQL databases. MySQLBuddy is a MySQL variant of the SybaseBuddy utility, which allows you to connect to Sybase databases. MySQLBuddy is a cross-platform utility capable of running on any operating system that comes with Java support (e.g. Mac OS X, Windows, Linux).
It's highly customizable. You can easily add new tabs with different SQL-Statements. You can define context menu actions based on a specific column. Coloring of rows can also be configured. And it allows to quickly switch between servers.
This software is meant for developers, database administrators who find themselves using the same king of SQL statements over and over and have to work on multiple MySQL servers.