WISE Database Viewer
WISE Database Viewer allows you to view GerbTool and VisualCAM database files.
The WISE Database Viewer allows you to view GerbTool .gtd and VisualCAM .vcam database files, as well as databases from the developers OEM products.
With this too you get full access to import and export of Gerber 274d\274x, ODB , ODB XML and more.