Sesame Database Manager - Lantica Software, LLC - Sesame, A Q&A-compatible Database Manager.
DB Designer - fabFORCE.net Database Tools
XtraBuild Designer - XtraBuild offers software development tools for database and reporting applications. No coding!
Vertabelo - Online tool for visual database design.
CentriQS - CentriQS offers small business management software and custom database solutions for small and medium enterprise businesses.
DeZign for Databases - Database design and modeling tool - DeZign for Databases.