Software to make a tiers diagram?

Question

i will make a tiers diagram and need a software to creategraphic, need some like this: http://i.technet.microsoft.com/Bb735136.msdfsvc01(pt-br,TechNet.10).gif

anybody know software, makes this diagram? I see many diagram with this style, how i can do that?

Answer 1

Visio is a good, commonly used app for diagrams like this.
Anything with a good set of clipart will work too.

Answer 2

If you are looking for something free, try dia.

Visio would be my choice for a paid app which can make that diagram.