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The best platform to write and share markdown.

HedgeDoc (formerly known as CodiMD) is an open-source collaborative markdown editor. With HedgeDoc you can easily collaborate on notes, graphs and even presentations in real-time. All you need to do is to share your note-link to your co-workers, and they’re ready to go.

Getting started Visit the demo

Our Core Features

Real-time collaboration

Collaborate in real-time with friends, family and colleagues.

Presentation mode

Use HedgeDoc to build and present slides in markdown. Powered by reveal.js!

Graphs & diagrams

HedgeDoc supports many types of graphs, diagrams and embeddings.

Easy to use permission system

Manage permissions of your notes with a simple dropdown selection.


Revisions keep track of changes to your notes and even let you revert to any older version.

Open source

HedgeDoc is open source and community-driven. It is licensed under AGPLv3.

CodiMD is gone.

Wasn’t it called CodiMD?

Yes, this project was formerly known as CodiMD, but in 2020 we decided to rename our project to HedgeDoc to avoid confusion with another project of the same name.

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