What options exist on Mac OS X for software that makes architectural diagrams? [closed]

Question

I am an OS X user. Often, I need to share architectural, workflow and other data with managers and developers in a visual fashion.

Can anyone recommend me some software and tell me why it's awesome?

Answer 1

I love OmniGraffle for diagrams http://www.omnigroup.com/applications/omnigraffle/ Easy to use, the result really look great, and support various programmer stuff like UML. A lot better than visio

Answer 2

I am a big fan of ConceptDraw Pro