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enchant97/note-mark

A lightweight, web-based Markdown notes app that stores your notes as plain files in a folder system you control.

Open-source alternative to:EvernoteMicrosoft OneNote

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Open issues
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Last commit
last month

What is it?

Note Mark is a web-based notes app built around Markdown. It supports GitHub Flavored Markdown and offers a responsive interface that works on mobile devices, with dark and light themes. Notes can be viewed rendered or as plain text, and a shortcut-driven editor keeps writing fast.

Notes are stored in a standard file and folder structure, so your data stays in an open format you can back up, move, or read with other tools. Users can also upload and attach assets, share notes, and use friendly URLs for cleaner links.

The project supports OIDC for single sign-on, which suits self-hosted setups that already run an identity provider. The code is licensed under AGPL-3.0.

Key features

  • 01Supports GitHub Flavored Markdown.
  • 02Stores notes in a standard file and folder system.
  • 03Offers rendered and plain views for each note.
  • 04Includes a responsive interface with dark and light themes.
  • 05Allows uploading and attaching assets to notes.
  • 06Supports note sharing and OIDC single sign-on.

Use cases

  • Keeping personal notes in Markdown that you can own and export at any time.
  • Running a self-hosted notes app for a household or small team with SSO.
  • Sharing selected notes with others through a public link.
  • Writing and organizing notes on a phone or tablet through the browser.

Quick start

  1. 1

    Read the documentation for installation

  2. 2

    Open the docs site linked in the README

Things to know

  • Licensed under AGPL-3.0, a copyleft license that requires sharing modified source when offered over a network.
  • Installation details are not in the README and must be found in the external documentation.

In collections

Self-hosted appsLogin, SSO & identity serversStatic site generators & documentation tools

Topics

#markdown#note-taking#self-hosted#web-app#oidc#typescript#notebook#notes

FAQ

What is note-mark?
A lightweight, web-based Markdown notes app that stores your notes as plain files in a folder system you control. Note Mark is a web-based notes app built around Markdown. It supports GitHub Flavored Markdown and offers a responsive interface that works on mobile devices, with dark and light themes. Notes can be viewed rendered or as plain text, and a shortcut-driven editor keeps writing fast.
Is note-mark free to use? What license does it have?
note-mark is open source under the AGPL-3.0 license. Check the license terms before using it in commercial products.
Is note-mark still maintained?
Updated within 6 months. The last commit to note-mark was on Oct 2, 2026.
What can I use note-mark for?
Keeping personal notes in Markdown that you can own and export at any time. Running a self-hosted notes app for a household or small team with SSO. Sharing selected notes with others through a public link. Writing and organizing notes on a phone or tablet through the browser.
How do I install note-mark?
Read the documentation for installation Open the docs site linked in the README
Where can I get note-mark?
The source code and installation instructions are on GitHub: https://github.com/enchant97/note-mark

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