GanttProject is a free project management app for desktops. It comes with:
- Task hierarchy and dependencies, milestones, baselines.
- Gantt chart with an option to generate PERT chart.
- Resource load chart.
- Task cost calculation.
- Export to PDF, HTML, PNG.
- Interoperability with MS Project, Excel and other spreadsheet apps.
- Project collaboration using WebDAV and a commercial collaboration service GanttProject Cloud.
Publisher’s description
What is GanttProject?
GanttProject by BarD Software s.r.o. is open-source Windows software in the project management category. It ranks 4th by popularity among project management in this catalogue. It is written in Java.
Installation and requirements
The publisher provides EXE (NSIS) and MSI installers for 64-bit Windows. The main installer is 137.8 MB. Installation asks for administrator rights. A silent install is possible with the installer’s documented switches. An MSI package is available for deployment with Group Policy, Intune or Configuration Manager.
Updates and version history
The current version is 3.3.3316, released on January 30, 2025. The version history goes back to June 3, 2021: 4 releases, all linked to the official files. That is about 1.1 releases a year. The last update is more than a year old.
Popularity and file types
The Chocolatey package has been downloaded 73,376 times. The source code on GitHub (bardsoftware/ganttproject) has 1,113 stars. On Windows it registers 1 file type, including .gan. Similar programs include Todoist, XrmToolBox and Cal.
Project description on GitHub: “Official GanttProject repository.”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- MSI package for managed deployment
- Documented silent install
Cons
- No native ARM64 build
- Installation needs administrator rights
- No update for more than a year
In short: GanttProject is an open-source project management tool for 64-bit PCs. Updates have slowed down. Administrators can deploy it unattended.
Is GanttProject safe to download?
- The file is served by dl.ganttproject.biz, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
FCA6588D97615CE1F293D554FCEBDC6C3F40D46EBD4EB6C1B117CA5F31F6B3E1· Open the VirusTotal report for this hash - The link answered when we last checked it (October 22, 2026)
- The source code is public
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Security practices (OpenSSF Scorecard)
Automated checks of the bardsoftware/ganttproject repository on GitHub by the Open Source Security Foundation, last run on October 19, 2026.
- Actively maintained10
- No dangerous workflows10
- Licence declared10
- Published packages10
- Static code analysis7
- Code review5
- Restricted token permissions0
- OpenSSF Best Practices badge0
- No binaries in the repository0
- Security policy0
- Pinned dependencies0
- Fuzzing0
- Signed releases0
- Branch protection0
The score rates how the project is developed and released, not whether the program is safe to install. scorecard.dev
Recent versions
All 4 versions ›4 versions over 4 years · about 1.1 a year
| Version | Date | Size | Files |
|---|---|---|---|
| 3.3.3316Latest | January 30, 2025 | 139.2 MB | 64-bit EXE (NSIS)64-bit MSI |
| 3.3 | May 28, 2024 | 136.8 MB | 32-bit EXE (NSIS) |
| 3.2 | July 12, 2022 | 119.8 MB | 32-bit EXE (NSIS) |
| 3.1.3100 | June 3, 2021 | 114.2 MB | 32-bit EXE (NSIS) |
Install from the command line
Silent install ›winget install --id GanttProject.GanttProject -echoco install ganttproject -yganttproject-3.3.3316.exe /SRelated guide: How to use winget: install and update apps
Also for other systems
brew install --cask ganttprojectInformation
- Publisher
- BarD Software s.r.o.
- Category
- Project management
- Licence
- GPL-3.0
- Price
- Free
- Source code
- github.com/bardsoftware/ganttproject
- Written in
- Java
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- EXE (NSIS), MSI
- Version
- 3.3.3316
- Released
- January 30, 2025
- Added to the catalogue
- June 3, 2021
- Versions listed
- 4
- Updates / year
- 1.1
- Chocolatey downloads
- 73,376
- GitHub stars
- 1,113
- GitHub forks
- 344
- Website
- ganttproject.biz
- winget ID
- GanttProject.GanttProject
- Chocolatey package
- ganttproject
- MSI product code
- {885D54C9-147D-3CD8-BD8E-D944B05D4EA5}
File types it opens (1)
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is GanttProject free?
Yes. GanttProject is open-source software under the GPL-3.0 licence.
Is GanttProject safe to download?
The download comes from dl.ganttproject.biz, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install GanttProject with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Can GanttProject be installed silently?
Yes. The silent install page lists the exact command for each installer, including msiexec for the MSI package.
Does GanttProject run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
Where can I download an older version of GanttProject?
The versions page lists all 4 versions with links to their official installer files, back to June 3, 2021.
What are alternatives to GanttProject?
Todoist, XrmToolBox, Cal, DooTask and Miro. The alternatives page compares them.
