HackMD

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ghostwriter

HedgeDoc, formerly known as CodiMD is an open-source collaborative markdown editor. HedgeDoc provides collaborative features that makes it easy for teams to work together by creating notes, graphs and even presentations in real-time. With HedgeDoc, all you need to get started is to share a link to your co-workers, and they can join you in the process.

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MacDown is a free and open-source markdown editor for macOS. MacDown provides live preview, syntax highlighting and a minimalistic appearance for easy Markdown formatting. The editor is influenced by Mou, and I try to mimic much of its behaviour as much as possible both in UI and the logic. MacDown is loved and use by many thanks to its highly customisable Markdown rendering options, syntax highlighting in fenced code blocks, and sophisticated auto-completion.

Zettlr is a web-based MarkDown editor built for the 21st century. As writing has become an essential part of our everyday life, Zettlr has made it its mission to redefine what writing means. The slim, fast, and versatile MarkDown editor let's you focus on whats important, to write and publish.

Microsoft OneNote is a collaborative note taking application. Microsoft OneNote can be used for free while a premium subscription of the software is available through Microsoft 365.