DB Visual Architect for Windows 

DB Visual Architect is a database design tool that supports round-trip engineering between Class Diagram and source code, reverse database into ERD and generate Database and persistent source code for manipulating the DBMS in a lightweight manner.
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PuffCamp (War of the PuffBalls) 

Puffballs are cute little creatures, who bounce around and lead happy lives. But sometimes, the Puffballs have their times of war. Complex Puzzles! Violent Gameplay! Rescue the prisoners from the PuffCamp!
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3D Visioner - 3D Visualization for Visio 

3D Visioner is 3D visualization add-on for Microsoft Visio 2002/2003. The ability to see whole project in one 3D scene, including all pages, shapes, links, and even visualized hyperlinks aids in the productivity for Microsoft Visio users everywhere.
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