HeidiSQL is a free Windows based interface for managing MySQL and Microsoft SQL databases.
Main features:
Connect to multiple servers in one window
Connect to servers via commandline
Create and edit tables, views, stored routines, triggers and scheduled events.
Generate nice SQL-exports
Export from one server/database directly to another server/database
Manage user-privileges
Export table rows as CSV, HTML, XML, SQL, LaTeX and Wiki Markup
Bulk edit tables (move to db, change engine, collation etc.)
Batch-insert ascii or binary files into tables
Write queries with customizable syntax-highlighting and code-completion
Monitor and kill client-processes
Find specific text in all tables of all databases of one server
Download HeidiSQL