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GanttProject vs HackFlowy

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

GanttProject icon
GanttProject
HackFlowy icon
HackFlowy

GanttProject vs HackFlowy: 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.

HackFlowy: HackFlowy is a free, open-source, self-hosted alternative to Roam Research. It allows for networked thought and knowledge management with backlinks, tag support, and graph views. As an Electron app, it works cross-platform on Windows, Mac and Linux.

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 HackFlowy
Sugggest Score — —
Category Office & Productivity Development
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

HackFlowy
HackFlowy

Description: HackFlowy is a free, open-source, self-hosted alternative to Roam Research. It allows for networked thought and knowledge management with backlinks, tag support, and graph views. As an Electron app, it works cross-platform on Windows, Mac and Linux.

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
HackFlowy
HackFlowy Features
  • Backlinks
  • Tag support
  • Graph views
  • Cross-platform (Windows, Mac, Linux)

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
HackFlowy
HackFlowy

Pros

  • Free and open source
  • Self-hosted
  • Similar functionality to Roam Research

Cons

  • Requires more technical setup than SaaS tools
  • Smaller user community than more established tools
  • Less polished UX than some competitors

Pricing Comparison

GanttProject
GanttProject
  • Open Source
HackFlowy
HackFlowy
  • Open Source

Related Comparisons

Learn More About Each Product

GanttProject
GanttProject
Reviews, pricing & alternatives →
HackFlowy
HackFlowy
Reviews, pricing & alternatives →

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