Open Source Todo List Managers

Open source note-taking app with Markdown support, to-do integration, and synchronization with cloud services like Dropbox and OneDrive.

Free multi-platform software for task management, time tracking, and personal project management. Seamless integration with Jira, GitHub, and GitLab.

Notesnook is a simple and cross-platform private notes app that keeps your notes organized and synced on your phone, tablet and computer. Take notes, capture ideas, create to-do lists, keep a journal, write your assignments and manage projects, we have got you covered.

AppFlowy is an open source alternative to Notion. You are in charge of your data and customizations.

Free, open-source note-taking with rich text, cross-platform support, syntax highlighting, embedded files, and customizable interface.

Habitica is a free habit building and productivity app that treats your real life like a game. With in-game rewards and punishments to motivate you and a strong social network to inspire you, Habitica can help you achieve your goals to become healthy, hard-working, and happy.

Tasks is libre open-source software, based on the original source code from the popular Astrid Tasks & To Do List! Tasks is easy-to-use, feature-packed, flexible and customizable, and synchronizes with a variety of services.

Task manager with Todoist support designed for GNU/Linux 🚀.

Offline-first app for organizing tasks and notes, with smart creation, calendar view, Markdown and encryption, Material You design, and no tracking or ads.

Manage complex projects with nested task breakdowns, multi-language support, XML storage, scheduling, and customizable printing via advanced formatting.

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

Mimiri Notes provides a safe place to store your notes, passwords, and confidential data with strong encryption and real-time synchronization across all your devices.

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.

Self-hosted app for local checklists and notes with WYSIWYG editing, drag-and-drop reordering, Kanban boards, progress bars, Markdown, and sharing features.

Manage tasks using the todo.txt specification, with support for parsing, creating, filtering, and searching lists. Includes editing and built-in help.

The smartest way to work on your computer. Freeter is a productivity app that allows you to gather everything you need for work in one place, organized by projects and workflows, and have a quick access to them.

A privacy-first, lightweight note-taking service. Easily capture and share your great thoughts.

Taskwarrior is an ambitious project bringing sophisticated capabilities to a simple and elegant productivity tool. You'll find it has customizable reports, charts, GTD features, Lua extensions, device synching and more, all while our international team provides excellent...

Just columns and tasks.

Minimalistic Android note taking App | Notally, but eXtended.

Are you ready for an adventure? Adventure List is a to-do list app that helps you organize your tasks and goals in a fun and easy way. Whether you want to plan a trip, learn a new skill, or just get things done, Adventure List is the app for you.

Outliner for taking notes and managing to-do lists.

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.