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GanttProject
GanttProject is free desktop software for project scheduling and management on Windows, Linux, and macOS.

About GanttProject
GanttProject is desktop software for project scheduling and management, with versions for Windows, macOS, and Linux. It is aimed at small and medium businesses and is described as practical Gantt chart software. The core capabilities listed are task scheduling, timeline visualization, resource allocation, and cost management. The homepage states that it runs offline and that the desktop data stays on the user's computer.
The software can read MPX, MPP, and XML/MSPDI files produced by Microsoft Project and export to XML/MSPDI, which helps with exchanging files with Microsoft Project users. The homepage says it does not replicate every high-end enterprise feature of Microsoft Project. Team collaboration and shared co-editing are provided by GanttProject Cloud, a separate optional service, so cloud use is not part of the offline desktop workflow. The homepage describes the software as free to use; pricing for the cloud service is not specified in the source.
Key features
- Task scheduling for project plans
- Timeline visualization in Gantt chart form
- Resource allocation across project tasks
- Cost management for projects
- Reads MPX, MPP, and XML/MSPDI Microsoft Project files
- Optional GanttProject Cloud service for team collaboration and shared editing
- Runs offline on Windows, macOS, and Linux desktops, with data stored on the user's computer
- Can exchange project files with Microsoft Project users
- Described on the homepage as free to use
- Not designed to replicate every high-end enterprise feature of Microsoft Project
- Team collaboration and shared editing require the separate GanttProject Cloud service
GanttProject at a glance
- Website
- ganttproject.biz
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Linux, macOS, Web, Windows
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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GanttProject FAQ
Does GanttProject need an internet connection to work?
Can GanttProject open files created in Microsoft Project?
How can I share schedules and co-edit with colleagues?
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