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NoteDiscovery

Self-hosted Markdown knowledge base with graph view

Notes & Knowledge Base ★ 2.8k stars Medium setup MIT

NoteDiscovery is a self-hosted Markdown knowledge base featuring wikilinks, a graph view, a drawing editor, and LaTeX and Mermaid rendering. It is designed for building and exploring a connected personal knowledge base.

Official siteSource code

Key features

  • Wikilinks and graph view
  • Drawing editor
  • LaTeX and Mermaid support
  • Self-hosted knowledge base

Strengths

  • Released under the MIT license
  • First-class Docker support for quick deployment
  • Active community (2.8k GitHub stars)
  • Written in JavaScript

Is NoteDiscovery secure?

OSV.dev has no published security advisories for NoteDiscovery's repository. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

Source: OSV.dev, checked 2026-10-14. How this is measured.

NoteDiscovery replaces

Self-hosted Obsidian alternativesSelf-hosted Notion alternatives

Health badge

Maintain NoteDiscovery? Add its health score to your README. The badge links back to this page.

SelfHostIndex: 87 · excellent

Markdown
[![SelfHostIndex health score for NoteDiscovery](https://selfhostindex.com/badge/notediscovery.svg)](https://selfhostindex.com/app/notediscovery/)
HTML
<a href="https://selfhostindex.com/app/notediscovery/"><img src="https://selfhostindex.com/badge/notediscovery.svg" alt="SelfHostIndex health score for NoteDiscovery"></a>
reStructuredText
.. image:: https://selfhostindex.com/badge/notediscovery.svg
   :alt: SelfHostIndex health score for NoteDiscovery
   :target: https://selfhostindex.com/app/notediscovery/

The score is recomputed on every nightly rebuild from public repository data — see how it is calculated.

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