Open Source ActiveCollab Alternatives

    The best open source alternative to ActiveCollab is Redmine, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to ActiveCollab and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to ActiveCollab are Taiga.io (Freemium, Open Source), Kanboard (Free, Open Source), GanttProject (Free, Open Source) and Trac (Free, Open Source).

    This page was last updated Sep 15, 2021

    1. Redmine is a flexible project management web application. Written using Ruby on Rails framework, it is cross-platform and cross-database.
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    2. Taiga is a full featured project management platform for startups and agile developers & designers who want a simple, beautiful tool that makes work truly enjoyable.
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    3. Kanboard is a simple visual task board software. Kanboard is a free and open source Kanban project management software. There is no fancy user interface, Kanboard focus on simplicity and minimalism. The number of features is voluntary limited.
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    4. GanttProject is a cross-platform desktop tool for project scheduling and management. It runs on Windows, Linux and MacOSX, it is free and its code is opensource. What can it do? * Gantt chart. - Create work breakdown structure, draw dependencies, define milestones.
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    5. Trac is an enhanced wiki and issue tracking system for software development projects. Trac uses a minimalistic approach to web-based software project management. Our mission is to help developers write great software while staying out of the way.


    6. Phabricator is a collection of open source web applications that help software companies build better software.

      Discontinued

      Effective June 1, 2021: Phabricator is no longer actively maintained.

      https://admin.phacility.com/phame/post/view/11/phacility_is_winding_down_operations/

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    7. Opensource task & productivity management tool for startups, engineered based on the concepts of OKR.
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    8. Mantis Bug Tracker is a free and open source, web-based bug tracking system. It is written in the PHP scripting language and works with MySQL, MS SQL, and PostgreSQL databases and a webserver. MantisBT can be installed on Windows, Linux, Mac OS, OS/2, and others.
    9. ZenTao is an open source project management tool, supporting Scrum. It integrates product management, project management, bug management and QA management, etc., covering all lifecycle of software development.
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    10. LibrePlan is an open source web application for project planning, monitoring and control.
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    Showing 10 of 26 alternatives