OmniGraffle vs yEd Graph Editor

OmniGraffle is The Omni Group's diagramming and vector illustration app for macOS, iPad, and iPhone, used to explain complex ideas visually through flowcharts, org charts, and wireframes. It includes intelligent grouping, snapping, and alignment tools, cross-device syncing of stencils and projects, and JavaScript-based automation for power users who want to script repetitive diagram tasks. Beyond diagramming, OmniGraffle doubles as a rapid-prototyping and vector design tool, letting teams sketch wireframes and produce polished vector graphics in the same app. It's sold as either a perpetual license (Standard or Pro tiers) or a Pro subscription, with a 14-day free trial available for new users.

yEd is a free desktop diagramming application from yWorks for creating, editing, and analyzing diagrams. Rather than requiring every node to be placed by hand, it can import structured data directly from Excel spreadsheets or XML/GraphML files and use automatic layout algorithms, built on yWorks' commercial yFiles diagramming library, to arrange even large and complex graphs cleanly. It covers a wide range of diagram types including flowcharts, BPMN process diagrams, UML class diagrams, organization charts, and network topologies, and it exports finished diagrams to PNG, JPG, SVG, PDF, or SWF. Built as a cross-platform Java application, yEd runs offline on Windows, macOS, and Linux and is free for both personal and commercial use, making it a common choice for engineers, analysts, and IT teams working with data-driven diagrams.

• Deep, native Mac/iPad experience with polished UI
• One-time purchase option avoids forced subscription
• Powerful automation via JavaScript for advanced users
• Strong stencil and template library

• Completely free for both personal and commercial use, with no account or subscription required.
• Automatic layout algorithms handle large graphs far better than manually dragging boxes in most diagram tools.
• Importing directly from Excel or XML saves significant time versus manually recreating data as a diagram.
• Cross-platform Java app means the same tool works identically on Windows, Mac, and Linux.

• Mac and iOS only, no native Windows or Web app
• Pro tier is expensive for casual users
• Learning curve for automation features
• No real-time multi-user collaboration like web-based tools

• Requires a Java Runtime Environment, which adds friction compared to native lightweight apps.
• Interface looks dated and less polished than modern web-based diagram tools.
• No built-in real-time collaboration; it's a single-user desktop tool, not a shared online canvas.