The Best Open-Source Alternatives to TeamGantt
Are you looking for a free or self-hosted alternative to TeamGantt? In 2026, avoiding expensive proprietary software subscriptions is easier than ever. The open-source community has built excellent privacy-friendly tools within the Project Management ecosystem. Currently, there are 2 active replacements available, with Redmine being one of the most prominent selections.
Quick Comparison: TeamGantt vs. Open Source
Full comparison: TeamGantt vs. Redmine ā| Criteria | TeamGantt | OSS Replacements |
|---|---|---|
| Pricing model | Paid / Monthly Fees | 100% Free / Self-Hosted |
| Data Control | Third-party Servers | Full Ownership & Privacy |
| Customizability | Restricted by Vendor | Unlimited (Modify Codebase) |
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Redmine is a flexible and scalable open-source project management and collaboration platform that enables teams to plan, track, and manage work across multiple projects while safeguarding their data with complete privacy control. Serving as a highly customizable and cost-effective alternative to TeamGantt, Redmine offers an ideal solution for organizations seeking to maintain control over their project data.
GanttProject is a free, open-source project management and Gantt chart tool that enables users to create, manage, and track tasks, projects, and timelines in a flexible and customizable environment, all while maintaining complete control over their data and adhering to strict data privacy standards. As a self-hosted, open-source alternative to TeamGantt, GanttProject provides an affordable and trustworthy solution for managing complex projects without sacrificing user data or incurring ongoing subscription fees.
Frequently Asked Questions
What is the best open source alternative to TeamGantt?
Based on GitHub community data (including star count and fork activity), Redmine stands out as one of the most reliable open-source replacements for TeamGantt today.
Why should I use an open-source replacement instead of TeamGantt?
Switching to an open-source solution ensures complete data sovereignty, protects your software environment from sudden vendor price hikes, and gives you full transparent control over your tech-stack metadata.