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GanttProject vs OmniGraffle

Professional comparison and analysis to help you choose the right software solution for your needs.

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GanttProject
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OmniGraffle

GanttProject vs OmniGraffle: The Verdict

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature GanttProject OmniGraffle
Sugggest Score — —
Category Office & Productivity Office & Productivity
Pricing Open Source —

Product Overview

GanttProject
GanttProject

Description: GanttProject is an open-source project management software. It allows users to create Gantt charts and schedules to plan projects and track progress. Useful for individual users and teams to visualize tasks and deadlines.

Type: software

Pricing: Open Source

OmniGraffle
OmniGraffle

Description: 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.

Type: software

Key Features Comparison

GanttProject
GanttProject Features
  • Gantt charts
  • Resource management
  • Baselines
  • Dependencies
  • Milestones
  • Calendars
  • Import/export
  • PDF/HTML export
  • Web publishing
  • MS Project import/export
OmniGraffle
OmniGraffle Features
  • Vector drawing tools
  • Diagram templates
  • Stencils for flowcharts, web designs, electrical diagrams and more
  • Styling and formatting options
  • Multi-page documents
  • Collaboration and sharing capabilities
  • Export to PDF, PNG, JPG and other formats
  • Available for macOS and iOS

Pros & Cons Analysis

GanttProject
GanttProject
Pros
  • Free and open source
  • Intuitive interface
  • Powerful features
  • Cross-platform
  • Active community support
Cons
  • Steep learning curve
  • Limited integrations
  • No cloud hosting
  • Can be slow with large projects
OmniGraffle
OmniGraffle
Pros
  • Powerful and flexible diagramming features
  • Intuitive and easy to use interface
  • Lots of templates, stencils and assets
  • Great for all types of diagrams and illustrations
  • Seamless experience across macOS and iOS
Cons
  • Fairly expensive compared to competitors
  • Limited cloud collaboration features
  • iOS version lacks some advanced features of macOS version

Pricing Comparison

GanttProject
GanttProject
  • Open Source
OmniGraffle
OmniGraffle
  • Not listed

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Learn More About Each Product

GanttProject
GanttProject
Reviews, pricing & alternatives →
OmniGraffle
OmniGraffle
Reviews, pricing & alternatives →

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