SmartDraw is the more powerful addition to Office drawing tools. Any SmartDraw drawing can be inserted into Word, Excel, or PowerPoint with one click. SmartDraw is the only diagramming software that runs on a Windows desktop, on a Mac, and online. It includes quick-start templates for more than 70 different kinds of charts, diagrams and other visuals to get you started easily.
Microsoft Visio can be used to create simple or complicated diagrams. It offers a wide variety of built-in shapes, objects, and stencils to work with. You can also make your own shapes and import them if you’re willing to do all that extra work. The driving idea behind Visio is to make diagramming as easy as possible for the user.