Use Database Explorer to create, view and edit
database entities and Entity Relation Diagrams (ERDs). (On Linux)

Use Forward Engineer to create data definition
language (DDL) scripts to apply design changes
to the server. Hierarchical tree allows you to examine
and execute partial scripts. (On Windows2000)

Use dynamic GUI forms to insert and update database data in tables, reducing the need to write INSERT, UPDATE, and DELETE SQL by hand. (On Mac)

Reverse Engineer existing databases into DbWrench
for examinationn, analysis and modification. (On WinXP)

Reverse Synchronize allows changes made on the database server to be synchronized back into designs. (On WinXP)

Use Sql Communicator to build comprehensive queries.
Query data and structure without having to use another application. (On WinXP)