The Best Open-Source Alternatives to Todoist
Are you looking for a free or self-hosted alternative to Todoist? In 2026, avoiding expensive proprietary software subscriptions is easier than ever. The open-source community has built excellent privacy-friendly tools within the Productivity ecosystem. Currently, there are 6 active replacements available, with Habitica being one of the most prominent selections.
Quick Comparison: Todoist vs. Open Source
Full comparison: Todoist vs. Habitica ā| Criteria | Todoist | 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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Habitica
Habitica is a free, open-source habit tracker that gamifies your to-do list and tasks, providing a fun, engaging experience to help you stay organized and build healthy habits without compromising on your personal data. With its feature-rich functionality and customizable UI, Habitica serves as a compelling, privacy-friendly alternative to commercial project management tools like Todoist.
"Task manager for Emacs, implementing popular Getting Things Done (GTD) methodology using org-mode and org-todo-keywords, offering a customizable and privacy-friendly alternative to task management platforms like Todoist." "A flexible, open-source solution for managing and prioritizing tasks within Emacs, leveraging org-mode's capabilities to streamline productivity while safeguarding user data and privacy."
Todo.txt is a lightweight, open-source task management tool that simplifies todo list organization by storing tasks in plain-text files, ensuring maximum compatibility, portability, and control over your data. As an alternative to Todoist, Todo.txt prioritizes data privacy and security, offering a refreshing escape from proprietary, cloud-based task management solutions.
Todo.txt is a minimalist, open-source task management tool that utilizes plain-text files to store todos in a simple, readable format, providing a private and secure alternative to cloud-based task managers like Todoist. By leveraging local files, Todo.txt empowers users to maintain complete control over their data and avoid the risks associated with proprietary, cloud-dependent software.
Taskwarrior is a powerful, open-source task management system that allows users to organize and prioritize tasks, set reminders, and track progress in a highly customizable and extensible way. As a fully open-source and privacy-friendly alternative to Todoist, Taskwarrior offers unparalleled transparency and security, making it an excellent choice for users who value control over their data.
Todocli is a lightweight, open-source command-line task manager that allows users to create, manage, and prioritize tasks in a private and secure environment, free from the burdens of third-party trackers and data mining. This Todocli alternative empowers users to maintain control over their task lists, without sacrificing the features and functionality they need to stay productive.
Frequently Asked Questions
What is the best open source alternative to Todoist?
Based on GitHub community data (including star count and fork activity), Habitica stands out as one of the most reliable open-source replacements for Todoist today.
Why should I use an open-source replacement instead of Todoist?
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.