HackMD

A web-based Markdown editor for writing and editing notes and documents together in real time.

FreemiumProprietaryWeb
Official websitehackmd.io

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About HackMD

HackMD is a collaborative Markdown workspace in the browser. Several people can edit the same note at once, which makes it useful for meeting notes, project documentation, technical specs and community documents. Notes can be synced with GitHub.

Recent versions position it as a shared context layer for teams and AI agents, so agents can read the same notes the team writes and add contributions for review. It offers a free tier alongside paid plans.

Strengths

  • Real-time collaborative Markdown editing
  • Works in any browser with no install
  • GitHub sync for notes

Limitations

  • Notes live on a hosted service rather than local files
  • Increasing focus on AI agent features may not suit everyone

Details

Pricing
FreemiumFree to start, with paid plans for teams.
License
Proprietary
Developer
HackMD
Platforms
Web
How it runs
Web application
Account
Required
Best suited for
Teams and communities writing shared technical notes in Markdown
Last verified
Added
Provenance
Facts checked against the developer's own pages and store listings, 1 sources on file.

Alternatives to HackMD

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Software that can replace HackMD for an important use case, and what changes if you switch.

  • HedgeDoc

    Collaborative Markdown editor for notes written together in real time.

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    HedgeDoc is a free AGPL-licensed collaborative Markdown editor with live preview and slide presentation mode that you can self-host instead of relying on a hosted service.

  • StackEdit

    An in-browser Markdown editor with live preview and sync to Google Drive, Dropbox and GitHub.

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    StackEdit is a free, open-source browser Markdown editor with live preview and sync to Google Drive, Dropbox and GitHub, but lacks real-time multi-user editing.

  • Notion

    All-in-one workspace combining notes, databases, wikis, and task boards.

    FreemiumProprietaryWindowsmacOSAndroidiOSWeb

    Notion replaces Markdown pages with a flexible workspace of notes, databases and boards with real-time collaboration and desktop and mobile apps, at the cost of a learning curve.

  • Docmost

    An open-source, self-hosted wiki for team documentation with real-time collaborative editing.

    FreemiumOpen sourceWebSelf-hosted

    Docmost is an open-source, self-hosted team wiki with real-time collaborative editing and live cursors, adding group permissions but requiring a server to maintain.

  • Outline

    Team knowledge base with a fast editor and deep integrations.

    FreemiumProprietaryWebSelf-hosted

    Outline is a team knowledge base with a fast collaborative editor and nested collections, source-available under the Business Source License with paid hosting or a self-hosted setup.

Similar software

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