OmniGraffle Professional (v. 7) - license - 1 license

OmniGraffle is for creating precise, beautiful graphics: electrical systems, family trees and maps of software classes come to life in OmniGraffle. You can quickly share tiny elements or mockups in a message to a friend, or export finished assets for the project in the format you need. Start simple, layer on detail, and use it to create darn near anything.