



The best open source alternative to Tasks.org is Planify. If that doesn't suit you, our users have ranked more than 100 alternatives to Tasks.org and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Tasks.org are Org mode, ToDoList, Vikunja and sleek.




Org mode is for keeping notes, maintaining TODO lists, planning projects, and authoring documents with a fast and effective plain-text system.




Organize projects with deeply nested tasks, multi-language support, and flexible XML storage. Streamline scheduling, customize printing with stylesheets, and collaborate efficiently on multiple projects, including IT and general GTD use, on Windows or Linux via WINE.




Think of Vikunja like the notebook you have with all your things to keep track of. But better.




sleek is an open-source (FOSS) todo manager based on the todo.txt syntax. It's available for Windows, MacOS and Linux.




WeekToDo is a free and Open Source minimalist weekly planner. With WeekToDo you can start improving your productivity by defining and managing your week and your tasks in an easy and intuitive way.



Carnet is a complete and rich note taking app for Android and Linux that can be synced with NextCloud (selfhosted) or the official Carnet server.




Organize tasks with todo.txt specification support, including parsing, creating, and editing lists. Features built-in help, search, filtering, and compatibility with open plain text files, making it accessible for newcomers seeking an easy task manager.


This intuitive note-taking tool efficiently transforms bedtime thoughts into actionable tasks. With AI-powered reminders, scheduling, and unique night-time focus, it offers personalized insights and notifications to enhance productivity and task management, ensuring every thought counts.




Task Coach is a simple open source todo manager to keep track of personal tasks and todo lists. It is designed for composite tasks, and also offers effort tracking, categories, notes and more.




All-in-one Open-Source productivity app and AI assistant with Tasks, Notes, Calendar, Diary and Bookmarks.




Track your tasks and projects in a plain text file, todo.txt. A todo.txt is software and operating system agnostic; it's searchable, portable, lightweight and easily manipulated.
