HedgeDoc, formerly CodiMD, is an open-source web-based, self-hosted collaborative markdown editor. It allows you to collaborate on graphs, notes, and presentations in real time. You just need to share your note-link with your coworkers, and they'll be ready to go. It's easy to install HedgeDoc on your server! We offer a ready-to-use bundle and a docker file. Our installation guide provides more information. The HedgeDoc source code can be found on GitHub and is licensed under AGPL 3.0. Everything is open-source and free as free speech. It is open source and free as in free speech. We are always open to suggestions, improvements, and discussions. You can join our Matrix chat room or open a Discourse topic.