Software to create Database mappings

[X-Istence]

I am looking for some simple software that will let me draw quick and dirty diagrams of database relationships, any good ones available for the Mac? Preferably free.

 

[falconguard]

open office has the Visio like plugin, although I think that is part of the default open office now.

 

[tdinc]

Have you tried Sourceforge?
http://sourceforge.net/search/?type_of_search=soft&words=Database+maping

http://sourceforge.net/search/?type_of_search=soft&words=database