Top 20 open-source products relevant to Todos and Task Management

Org: an Emacs Mode for Notes, Planning, and Authoring.

Open Source

The open-source Trello-like kanban (built with Meteor).

Open Source

Customizable personal productivity tool .

Open Source paid Free Trial

Track your tasks and projects in a plain text file, todo.txt. A todo.

Open Source

TagSpaces is an open source platform for personal data management. With TagSpaces you can manage and organize the files on your laptop, tablet or smart phone.

Open Source

Taskwarrior is an ambitious project bringing sophisticated capabilities to a simple and elegant...

Open Source

Open-source, privacy-friendly to-do lists & reminders for Android. Supports Google Tasks, DAVx⁵, CalDAV, EteSync, and DecSync CC.

Open Source

Make plans inside an individual markdown note for every day in your calendar. Use it as a journal for your daily tasks and plan todos in advance. For Mac, iPhone and iPad.

Open Source

QOwnNotes is a free plain-text notepad with markdown support for Linux, Mac OS X and Windows, that works together with ownCloud Notes.

Open Source

The new task app from the team that brought us Wunderlist, Microsoft To-Do is a great way to manage tasks. List everything you need to do—or import tasks from Outlook, Todoist, and Wunderlist so you don't have to start over.

Open Source

Elephant is a notetaker with a classic interface you already know.

Open Source

Vikunja is an open-source, self-hosted to-do application for all platforms.

Open Source paid Free Trial

Crossnote is probably the world's first markdown notes reader & editor Progressive Web Application that works offline and supports syncing with arbitrary git repository right inside your browser.

Open Source

Free and Open Source Minimalist Weekly Planner and To-Do list App Focused on Privacy.

Open Source free

Calcurse is a calendar and scheduling application for the command line.

Open Source

Your web based TODO list.

Open Source paid $2.0 / Monthly

Create and work with tasks inside Slack.

Open Source

Thinking notebook and Markdown IDE web site home page.

Open Source

A tasks app for Nextcloud.

Open Source

A good, simple outliner for macOS and iOS.

Open Source