Top 6 Open Source Project Management Software in 2026

The six best open-source project management tools in 2026 are Plane, OpenProject, Orangescrum, Leantime, Taiga and Redmine. All six run on your own server under a recognized open-source license, and all six install with Docker. They differ most in three things: whether they track time and budgets, whether the paid tier charges per user, and how actively the code is maintained.

We checked the license, the public repository and the pricing page of every tool on this list on 9 September 2026, and we name the source of every number at the foot of this article. Orangescrum is our own product. We say so wherever it appears and we score it on the same six criteria as the others.

What counts as open source project management software

Open source project management software is a tool for planning and tracking work whose full source code is published under a license that lets anyone read, run and modify it. In practice, three tests matter:

• You can read the code. The whole application is in a public repository, not a cut-down demo.
• You can run it without a key. No license file, no activation call to the vendor.
• You can change it. The license permits modification, subject to its own conditions.

Five of the six tools here also sell a paid edition. That is normal in 2026 and it is called open core. The question is not “is it free” but what is missing from the free edition, and what does the paid one cost once the team grows.

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What's New in Open Source Project Management Software 2024?

Open source project management software has gained immense popularity in recent years. Thanks to its flexibility, and collaborative nature, it has become highly sought after by business owners. Moreover, installing and customizing the software features is cost-effective and viable for businesses with budget constraints. 

It empowers teams to efficiently plan, execute, and track projects while fostering transparency and collaboration. As we move into the future, several exciting trends are emerging in the realm of open source project management software. 

In this blog post, we'll explore the top upcoming trends that are reshaping the landscape of project management. 

(Source: makeanapplike.com)

 1. Integration with AI and Machine Learning 

One of the most significant trends in open source project management tools is the integration of artificial intelligence (AI) and machine learning (ML) capabilities. Read the full blog