phpMyAdmin, a tool written in PHP intended to handle the administration of MySQL over the Web has released version 2.11.2. This opensource tool currently can create and drop databases, create/drop/alter tables, delete/edit/add fields, execute any SQL statement, manage keys on fields.
phpMyAdmin's project have won the 2007 Sourceforge.net Community Choice Award "Best Tool or Utility for SysAdmins" on few months ago.
Currently its available for Linux, Windows for free to download. You can visit here to learn more and download this SysAdmins Best Tool.