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GanttProject vs IrfanView

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

GanttProject icon
GanttProject
IrfanView icon
IrfanView

GanttProject vs IrfanView: The Verdict

⚡ Summary:

GanttProject: 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.

IrfanView: IrfanView is a free, open source image viewer, editor, organiser and converter program for Microsoft Windows. It supports a wide variety of image formats and basic image editing features like cropping, resizing and color adjustments.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature GanttProject IrfanView
Sugggest Score — —
Category Office & Productivity Photos & Graphics
Pricing Open Source 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

IrfanView
IrfanView

Description: IrfanView is a free, open source image viewer, editor, organiser and converter program for Microsoft Windows. It supports a wide variety of image formats and basic image editing features like cropping, resizing and color adjustments.

Type: software

Pricing: Open Source

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
IrfanView
IrfanView Features
  • Supports a wide variety of image formats including JPEG, PNG, GIF, TIFF, BMP
  • Basic image editing tools like cropping, resizing, rotating, color adjustments
  • Thumbnail/contact sheet generator
  • Slideshow creator
  • Batch conversion/renaming of images
  • Plugins allow extending functionality

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
IrfanView
IrfanView

Pros

  • Lightweight and fast
  • Intuitive and easy to use interface
  • Extensive format support
  • Free and open source

Cons

  • Limited editing capabilities compared to advanced editors
  • Fewer features than paid alternatives
  • Windows only

Pricing Comparison

GanttProject
GanttProject
  • Open Source
IrfanView
IrfanView
  • Open Source

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Learn More About Each Product

GanttProject
GanttProject
Reviews, pricing & alternatives →
IrfanView
IrfanView
Reviews, pricing & alternatives →

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