Here at Infinitive Technology Solutions we not only include MySQL databases with our hosting packages, but we use them extensively in all facets of our business.
Ever since using the trial version of Devart's dbForge Studio for MySQL on our development, we've come to find it invaluable not only for development (though it is great for that) but also for maintaining our databases, performing security tasks and keeping everything running smoothly.
Here's a short promotional video from Devart about the latest version
Or you can learn more about it at http://www.devart.com/dbforge/mysql/studio/