GanttProject vs OpenProject

A side-by-side comparison of two self-hosted project management & tasks options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
FeatureGanttProjectOpenProject
CategoryProject Management & TasksProject Management & Tasks
LicenseGPL-3.0GPL-3.0
LanguageJavaRuby
Setup difficultyEasyHard
Min. RAM512 MB2,048 MB
Deploymentbinary, sourcedocker, bare-metal
GitHub stars★ 1,088★ 15,794
First released20032012
ReplacesMicrosoft ProjectJira, Asana

Why pick each one

Choose GanttProject if…

  • Released under the GPL-3.0 license
  • Easy to set up — beginner-friendly
  • Active community (1.1k GitHub stars)
  • Written in Java
GanttProject details

Choose OpenProject if…

  • Very feature-complete
  • Good for classic project management
  • Strong permissions
OpenProject details

Frequently asked questions

Is GanttProject or OpenProject better?

Neither is universally better. OpenProject has the larger community, while GanttProject is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.

Are GanttProject and OpenProject free and open-source?

Yes. GanttProject is licensed under GPL-3.0 and OpenProject under GPL-3.0. Both can be self-hosted at no software cost.

Can I run GanttProject and OpenProject with Docker?

GanttProject: check the project docs for container support. OpenProject: yes.

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