Open Source GanttProject AlternativesProject & Task Management Tools like GanttProject

The best open source alternative to GanttProject is Kan.bn. It's not free, so if you're looking for a free alternative, you could try Kan.bn or OpenProject. If that doesn't suit you, our users have ranked more than 100 alternatives to GanttProject and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to GanttProject are Markwhen, Kanboard, LibrePlan and Easy Redmine.

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GanttProject alternatives are mainly Project Management Tools, but if you're looking for Task Management Tools or Team Collaboration Tools you can filter on that. Other popular filters include Linux, Open Source, iPad and Free. These are just examples - use the filter bar below to find more specific alternatives to GanttProject.
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Alternatives list

  1. Kan.bn icon

    Kan.bn

     29 likes
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    Open source kanban platform offering team collaboration, workspace members, board visibility controls, Trello import, card labelling, detailed activity logs, commenting, and self-hosting options, plus upcoming board templates and third-party integrations.

    85 Kan.bn alternatives

    Cost / License

    Application types

    Platforms

    • Online
    • Self-Hosted
    • Software as a Service (SaaS)
    Kan.bn screenshot 1
     

    • Kan.bn is the most popular Web-based, SaaS & Self-Hosted alternative to GanttProject.

    • Kan.bn is the most popular Open Source & free alternative to GanttProject.

    • Kan.bn is Free Personal and Open SourceGanttProject is Free and Open Source
  2. OpenProject icon

    OpenProject

     122 likes
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    Open source software that enhances team collaboration and productivity through features like Gantt charts, issue tracking, Scrum support, and document management. Supports classic, agile, or hybrid management styles while ensuring robust data protection and flexible task assignment.

    204 OpenProject alternatives

    Cost / License

    • Freemium (Subscription)
    • Open Source (GPL-3.0)

    Application types

    Platforms

    • Self-Hosted
    • Software as a Service (SaaS)
    • Cloudron
    OpenProject screenshot 1
     
  4. ProjectLibre icon

    ProjectLibre

     74 likes
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    ProjectLibre is a Java-based project management solution that gives Microsoft Project a run for its money. Offering a UI similar enough to ease the transition from Microsoft's market leader, ProjectLibre packs in calendars, resource tracking, task management, and...

    39 ProjectLibre alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    ProjectLibre screenshot 1
     
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    10

    • Almost everyone thinks ProjectLibre is a great GanttProject alternative.

    • ProjectLibre is the most popular Windows, Mac & Linux alternative to GanttProject.

    • ProjectLibre is Free and Open SourceGanttProject is also Free and Open Source
  5. Ad
    Screenshot
    Easy Redmine icon
    Easy Redmine

    Adaptive suite integrating project, IT service, and source code management for technology teams, featuring time tracking, issue and document management, customizable dashboards, third-party integration, agile and waterfall suppor...

    https://www.easyredmine.com
    Learn More
  6. Markwhen icon

    Markwhen

     15 likes
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    Interactive tool transforming Markdown-like text into cascading timelines. Supports date styles, images, links, offers multiple views like calendar, map, Gantt, and timeline, with features for editing, tagging, and real-time updates, for seamless personal or professional use.

    8 Markwhen alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Mac
    • Online
    • Self-Hosted
    • Visual Studio Code
    • Docker
    Markwhen screenshot 1
     
  8. LibrePlan icon

    LibrePlan

     42 likes
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    LibrePlan is an open source web application for project planning, monitoring and control.

    Cost / License

    • Freemium (Subscription)
    • Open Source (AGPL-3.0)

    Application type

    Platforms

    • Linux
    • Online
    • Self-Hosted
    LibrePlan screenshot 1
     
  10. Easy Redmine icon

    Easy Redmine

     5 likes
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    Adaptive suite integrating project, IT service, and source code management for technology teams, featuring time tracking, issue and document management, customizable dashboards, third-party integration, agile and waterfall support, and cloud deployment options.

    290 Easy Redmine alternatives

    Cost / License

    • Pay once or Subscription
    • Open Source (GPL-2.0)

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • Software as a Service (SaaS)
    Easy Redmine screenshot 1
     
  11. Worklenz icon

    Worklenz

     10 likes
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    Comprehensive open source SaaS tool for managing tasks, tracking time and resources, offering user-friendly features for effective collaboration, scheduling, and meeting project deadlines efficiently.

    Cost / License

    • Freemium (Subscription)
    • Open Source (AGPL-3.0)

    Application types

    Platforms

    • Online
    • Software as a Service (SaaS)
    • Self-Hosted
    Task management
     

  13. Open Workbench

     5 likes
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    Open Workbench is an open source Windows-based desktop application that provides robust project scheduling and management functionality and is free to distribute throughout the enterprise. When users need to move beyond desktop scheduling to a workgroup, division or...

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Windows
    Gantt chart
     
  14. MyCollab icon

    MyCollab

     10 likes
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    The free, open source project management tool. MyCollab has rich features, extraordinary customer support, and extensible platform.

    Cost / License

    • Pay once
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Chrome OS
    • Software as a Service (SaaS)
    Bug Dashboard
     
12 of 22 GanttProject alternatives