P.D: Just because is a commercial product down vote the parent? In this area (Sql managers) the commercial ones are better than the open source ones, by a LOT.
Yep, sometimes one has to part with a few quid to get the job done right and friction free. That aside, my mainstream MySQL utility is HeidiSQL which is in fact free and open source (although I did bung them a donation because I think it's a neat tool):
http://www.valentina-db.com/
P.D: Just because is a commercial product down vote the parent? In this area (Sql managers) the commercial ones are better than the open source ones, by a LOT.