Chose Cacoo
Cacoo is web-based and OS independent. OmniGraffle is a local install and mac only. Microsoft Visio is a desktop app also and Windows only. Two strikes for me, as I use between 2-4 different computers daily where I expect my applications to be always up-to-date and files …
Independently Invited by TrustRadius
A de minimis incentive was given to thank the reviewer for their time. The incentive was not used to bias or drive a particular response, nor was the incentive contingent on a positive endorsement. More Info