The new brand new version 0.9.2 of Mogwai ERDesigner is available for
download at http://mogwai.sourceforge.net. Mogwai ERDesigner is a
visual data modelling tool for MySQL, Oracle, PostgreSQL and
Hypersonic. The new release includes some minor and major bug fixes
and the following new features:

Autogenerator for sequenced columns on Oracle
Generate table and column comments into Oracle data dictionary
Support for Hypersonic SQL
Recently used files available from shortcut in file menu

Feel free to visit the project homepage for more details and
instructions for download and installation.