The Mac's benchmark diagramming app — wireframes, flowcharts, network maps, and org charts with precise layout tools and a deep automation model.
OmniGraffle is for turning ideas into precise diagrams: flowcharts, UML, network topologies, wireframes, floor plans, mind maps. It has the layout engine — smart guides, canvas grids, automatic graph layouts — to make those diagrams look deliberate rather than dragged together.
Why it makes the list
For over two decades OmniGraffle has been the app Mac users open when a diagram has to be exact. It is fully native, scriptable to the point of being programmable, and built by a studio with a long record of supporting its software.
Standout features
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Smart guides and alignment with fine control over every object
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Automatic layout for tree, force-directed, and hierarchical graphs
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Stencils — thousands of shared shape libraries via Stenciltown
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Shared layers, multiple canvases, and a table tool for complex documents
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Export to PDF, SVG, PNG, and Visio
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Deep automation with AppleScript, Omni Automation (JavaScript), and plug-ins
Pricing
Free to download and trial. A one-time licence unlocks the app: Standard from $124.99, Pro from $249.99. A subscription option is also offered.
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