Orac is a GUI tool for Database Administrators written in Perl, Tk, and DBI. It organizes many useful DBA scripts into a nice graphical interface, for collecting statistics on your database, or diagnosing problems. It currently supports Oracle, Sybase, and Informix. Richard Sutherland's DDL::Oracle Perl module has been integrated with the current version for the Oracle side of things, greatly improving the Oracle developer options on the program.
pgAdmin III is an administration and management tool for the PostgreSQL database and derivative products such as EnterpriseDB, Mammoth PostgreSQL, Pervasive Postgres, and SRA PowerGres. It includes a graphical administration interface, an SQL query tool with grahical EXPLAIN, a procedural code editor, an SQL/shell/batch scheduling agent, Slony-I management, and much more. It is designed to answer the needs of most users, from writing simple SQL queries to developing complex databases. The graphical interface supports all PostgreSQL features and makes administration easy.