When comparing DbDesigner vs ERBuilder, the Slant community recommends ERBuilder for most people. In the question“What are the best database design programs?” ERBuilder is ranked 6th while DbDesigner is ranked 10th.
Ranked in these QuestionsQuestion Ranking
Has lots of templates with example database designs.
Pro Generic design
Can create a "generic" design for all supported databases.
Pro Reverse and forward engineering
Supports MySQL, PostgreSQL and Oracle reverse engineering.
Support for MS SQL and SQLite is planned.
Pro Ease of use
Pro Supports many databases
Pro ER Builder is aasy to use and a complete modeling tool
Very interesting tool, powerful and easy to use. Can do reverse and forward engineering, generate SQL script, and more.
Only 8 Mb install size.
Pro Not limited
The free version does not seem limited (for personal use).
Pro Supports Amazon Redshift data modeling
Seems to be in beta status.