Open Source Online 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.

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.

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.

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.

Leantime is the project management system for non-project managers. It is a people-first project management system designed specifically for neurodivergent minds. Unlike traditional tools built for neurotypical users, Leantime combines behavioral science, AI, and a...

Deck is a kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud.

The procrastination friendly habit tracker. Take notes, manage tasks, track habits.

Nullboard is a light minimalist kanban, specifically designed to be compact, readable and quick in use.

Take notes, plan tasks, track habits.

Webtrotion is a highly configurable and easy-to-install website builder, crafted with the Astro framework and Notion. Use it to effortlessly create a blog or website.

🔨 A Simple todo list and habit tracker for Android.

Time is always moving – quietly, constantly. Tymo helps you stay connected to it. Whether you’re counting down to a work or personal event, Tymo keeps your focus sharp and your time organized.

Tracks is a web-based application to help you implement David Allen’s Getting Things Done™ methodology. It was built using Ruby on Rails, and comes with a built-in webserver (WEBrick), so that you can run it on your own computer if you like.

Once enabled, a new Tasks menu will appear in your Nextcloud apps menu. From there you can add and delete tasks, edit their title, description, start and due dates, reminder times, mark them as important, and add comments on them. Tasks can be shared between users.

Adaptive management suite integrating project, IT service, and source code workflows for technology teams, featuring time tracking, document, and issue management.

Sqrte Tasks is a different take on ToDo lists. It strives to maintain the simplicity of paper lists while adding the efficiency benefits you'd expect from a software solution. It's also privacy-minded and the free version is open source.

Helium is an online student planner that lets you organize and color-coordinate your schedule and schoolwork, capture details about every assignment, and plan your study time efficiently.

Minimalistic card-based TODO lists in Vanilla JS. Build as an easy to host Trello alternative with no dependencies, only requiring PHP 7. Compatible with any DBMS suported by PHP PDO.

Keyboard focused, hackable TODO app.

Todost - Beautiful Todo list to uses 🍪 to track your tasks ! Made with ?? by Quentin Colus

The Ultralist CLI is a simple and very fast task management system for the command-line. It is rooted in the Getting Things Done philosophy, popularized by David Allen. I am a huge fan of GTD and I use it every day.

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