Re: DB Designer??

You can try one of these:

1. DBVisualiser
  http://minq.se

2. PostgreSQL Autocad
  http://www.rbt.ca/autodoc/index.html

3. Druid
  http://sourceforge.net/projects/druid

4. SQLManager
  http://sqlmanager.net/en/products/postgresql

5. Aqua Data Studio
  http://www.aquafold.com/index-postgresql.html

6. Data Architect
  http://www.thekompany.com/products/dataarchitect

7. Some more are available at the link below:
  http://www.postgresql.org/docs/techdocs.54

For Documentation generator tool, please follow the following link:

http://directory.fsf.org/text/doc/

Hope this helps...

------------
Shoaib Mir
EnterpriseDB (www.enterprisedb.com)