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

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

Open Source

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

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

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

Thinking notebook and Markdown IDE web site home page.

Open Source

A good, simple outliner for macOS and iOS.

Open Source

Lite weight in browser notes, snippet manager & code editor.

Open Source

SiYuan is a desktop Markdown Block-Reference and Bidirectional-Link note-taking application. Support fine-grained block-level reference and Markdown WYSIWYG. .

Open Source

Your personal note-taking haven for privacy and efficiency.

Open Source

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.

Open Source freemium

Daily notes in the terminal.

Open Source

A plain-text notes app with a focus on the keyboard.

Open Source

A (work-in-progress) cross-platform libre notes app. Please note that this app is still in early stages and not ready to trust with your notes yet.

Open Source

Litewrite offers distraction free editing.

Open Source

Autosaving sticky note with support for multiple notes without needing multiple windows.

Open Source