At some point, every administrator will need to diagram a network. For some, it’s their primary duty — and they tend to rely on powerful, expensive tools like Microsoft Visio.

Image: Tada Images/Adobe Stock. When Microsoft first acquired Visio back in 2000, it was a general-purpose diagramming tool for drawing flow charts, floor plans, org charts, mind maps and network ...

If you need a quick way to create simple diagrams, Gliffy is it. Even if your job has nothing to do with graphic design, chances are you still have to produce the occasional diagram. Whether you ...