HeidiSQL – a comprehensive tool for MySQL management which is available for Free.
Manage data tables, export/import databases, synchronise tables between databases, integrity check, database backup service management, edit database content and many more features packaged as a solution for ALL your MySQL needs.
This runs on windows platforms – WinXP/XP7 and you can download HeidiSQL from Download link
Another GUI tool that is available in the market is MySQL Workbench. The OSS edition of this tool is available under GPL and provides database administrators with database design, modeling with an intuitive GUI. Download MySQL Workbench