I can point you to these free tools:
http://www.codeplex.com/OpenDBiff
http://www.sqleffects.com/Articles/Product/sqlAccordInfo/aboutSqlAccordCommunityEd.html
http://weblogs.sqlteam.com/mladenp/archive/2007/08/10/60279.aspx
but I have tried none of them.
Good luck!
-- Gianluca Sartori