SQL Exp intend to be a cross-platform SQL query editor and executor. Aim is to display (and alter) databases structure, manage a set of user scripts, edit stored procedures and local scripts, execute (and edit; when possible) SQL statements.
Eclipse SQL plug-in. Contains SQL editor and executor. Table editor, data retrieve and migration tools. Plug-in has extensions to be used in other projects that need database connectivity.
MultiExecutor is a tool for managing distributed unix like systems and databases that has jdbc drivers. Only entering from one console you can execute same script or command on multiple machines and you can see the results seperately.