DaFT is a frontend to any database that can be connected via ODBC. It provides list views of tables and columns, table view of data, SQL editor, CSV,HTML,SyLK,XLS data format export, and functions for copying data between two ODBC databases.
Tksql allows you to edit PostgreSQL and MySQL tables. You can use it from the shell prompt, specifying the name of a table, or an SQL satement, or just the name of a database. It has filter capabilities which are very easy to use. Two views are possible