The Best Open-Source Alternatives to Trello
Are you looking for a free or self-hosted alternative to Trello? 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 7 active replacements available, with focalboard being one of the most prominent selections.
Quick Comparison: Trello vs. Open Source
| Criteria | Trello | 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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focalboard
Focalboard is a highly customizable, open-source workspace platform that mirrors Trello's features, empowering teams to visualize and manage projects with Kanban boards, lists, and cards while maintaining complete control over data and security. As a Trello alternative, Focalboard prioritizes user data privacy, offering a freedom from vendor lock-in and unlimited customization possibilities.
PACA is an open-source, web-based project management and collaboration tool that enables teams to organize tasks, track progress, and boost productivity while prioritizing user data privacy and security. As a Trello alternative, PACA offers similar functionality with an added emphasis on transparency, community-driven development, and no proprietary data ownership.
Collabify-Project-Manager is a robust, open-source project management tool that emulates the functionality of popular tools like Trello, offering a flexible workflow and seamless collaboration experience without compromising user data. By providing a privacy-friendly, customizable alternative to commercial solutions, Collabify-Project-Manager empowers teams to manage complex projects sustainably and maintain full ownership over their data.
Trello Powerup is a customizable, open-source alternative to Trello, enabling teams to create and manage boards, lists, and cards while maintaining complete control over their data. This self-hosted, privacy-friendly solution allows organizations to enjoy the benefits of Trello-style project management without sacrificing data sovereignty.
Stacks is a highly configurable, open-source project management tool that empowers teams to visualize workflows and collaborate on tasks using a Trello-esque interface, minus the data collection and surveillance. By leveraging local data storage and no JavaScript execution, Stacks prioritizes users' digital autonomy and ensures their information remains in their control.
Wekan is a scalable, self-hosted Kanban project board that enables teams to visualize work, track progress, and collaborate on tasks in a secure and intuitive environment, offering a powerful, privacy-friendly alternative to commercial platforms like Trello. With Wekan, users maintain full control over their data and can enjoy a seamless, adaptable experience tailored to their specific needs.
"Planka is a private, open-source task management platform that enables individuals and teams to organize projects, collaborate seamlessly, and maintain control over their data without relying on proprietary services like Trello. Its feature-rich interface and customizable workflows make it an excellent alternative for those seeking a secure, community-driven alternative to traditional project management tools."
Frequently Asked Questions
What is the best open source alternative to Trello?
Based on GitHub community data (including star count and fork activity), focalboard stands out as one of the most reliable open-source replacements for Trello today.
Why should I use an open-source replacement instead of Trello?
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.