Amazing Visio is a toolset which improves drawings in Microsoft Office Visio.
Create flowcharts, network diagrams, floor plans, and other designs.
Visualizes files created on Visio 2007 in an Internet Explorer 5.0 window.
It is a free add-in designed to work with the Visio 2013 application.
Square Mile Systems
It makes data center and infrastructure documentation that little bit easier.
Create detailed rack and data center diagrams using this set of 2,000 shapes.
Free Software Foundation, Inc.
The FMC Stencils are templates and extensions for Visio or OpenOffice Drawing.
Label Design Studio
Create label designs using pre-designed templates, graphics, and shapes.
Provides templates, samples and vector shapes for drawing Value Stream Maps.
Include more than 200 shapes and many rhinestones templates.
Photo Image Maker
It enables you to create your own graphics and templates from over 250 shapes.