Top 20 open-source products relevant to Todos

Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. The notes are searchable, tagged and modified either from the applications directly or from your own text editor. .

Open Source free

Logseq is a local-first, non-linear, outliner notebook for organizing and sharing your personal knowledge base.

Open Source free

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

Boostnote is an open-source note-taking​ app.

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

wikidPad is an application for storing thoughts, ideas, todo lists, contacts, or anything else that user can think of to write down.

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

Assist in organizing your piles of documents, resulting from scanners, e-mails and other sources with miminal effort.

Open Source

A fork of the original Notational Velocity with some additional features and interface modifications.

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 Markdown-based note-taking app that doesn't suck.

Open Source

Open Live Writer makes it easy to write, preview, and post to your blog.

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