Network diagram software

**Hi Guys

please can some on provide me with the name of the software use to draw network diagrams like in
image below :

Thank you in advanced.



**

Network notepad. Also Microsoft Visio is great, but not for free.

Omnigraffle on osx.

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I use EDRAW MAX. Very good for designing simple to complex diagram of network and about every thing :slight_smile:

Smartdraw does the job for me

*Thank you Guys for all the answers , much appreciate it. :slight_smile:

*

You can add DIA (GPL) to the list too.

I have used Pencil in the past, open source and cross-platform: http://pencil.evolus.vn/