1)   3D Visioner - 3D Visualization for Visio 2.3.814
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.

 2)   NetZoom Stencils for Visio 2000 Visio 2000
NetZoom allows users to create network designs, network documentation, presentations and proposals in Microsoft Visio 2000.

 3)   NetZoom Stencils for Visio 2003 Visio 2003
NetZoom allows users to create network designs, network documentation, presentations and proposals in Microsoft Visio 2003.