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blockdiag vs OmniGraffle

A side-by-side look at blockdiag and OmniGraffle. For an in-depth review of either product, follow the links below.

blockdiag

blockdiag

Development

blockdiag is an open-source Python library and command-line tool that generates block-style diagram images from simple text files. It supports multiple diagram types like block diagrams, sequence diagrams, activity diagrams, and more.

diagramblock-diagramsequence-diagramactivity-diagram
OmniGraffle

OmniGraffle

Office & Productivity

OmniGraffle is a diagramming and graphic design application for macOS and iOS. It allows users to create everything from simple diagrams to complex illustrations and prototypes. OmniGraffle enables intuitive diagramming with customizable canvases, templates, stencils, and tools for drawing, connecting objects, and styling diagrams.

diagrammingprototypinggraphic-design