Fast GUI based multilanguage database client (in perl/DBI/Tk). Supports most databases, runs on Windows / Unix / Linux. Powerfull SQL editor, view data in spreadsheets, powerfull filter tools. Form to edit/insert datasets. Highly configurable.
DBPad is a GUI-based SQL client for relational databases. As long as you have a JDBC driver for your DB, you can use DBPad to view or manipulate your data and metadata of your tables.
ViennaSQL is a GUI SQL client written in 100% Java. ViennaSQL can communicate with any database that has a JDBC driver. It should run anywhere Java runs.