SHSelfHostIndex
CO

CodiMD

Realtime collaborative Markdown notes platform

Office Suites ★ 10.2k stars Medium setup AGPL-3.0

CodiMD is an open-source, real-time collaborative Markdown editor and platform. It is a community-maintained continuation of HackMD's open-source codebase.

Official siteSource code

Key features

  • Real-time Markdown editing
  • Slide presentation mode
  • Permission and sharing controls
  • OAuth and LDAP login

Strengths

  • Released under the AGPL-3.0 license
  • First-class Docker support for quick deployment
  • Mature project with 10.2k GitHub stars
  • Written in JavaScript

Is CodiMD secure?

No known vulnerabilities affect CodiMD's latest release (2.6.1). OSV.dev lists 6 past advisories for the project; none of them applies to this release. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

  • Most recent fixed advisory CVE-2025-46654, published 2025-04-26 (536 days ago), fixed in 2.2.0

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

CodiMD replaces

Self-hosted Google Docs alternativesSelf-hosted HackMD alternatives

Health badge

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

SelfHostIndex: 60 · good

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

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

Compare CodiMD

3 head-to-head comparisons.

Similar office suites apps