CodiMD is an open source collaborative markdown editor, allowing users to create and edit documents online in real-time. It is powered by the open source platform Etherpad and is designed to make it easier for teams to collaborate in real-time on documents, presentations, and even code. It supports an intuitive markdown-based syntax that allows users to easily format text as they type. It also offers features such as rich media embedding, image and file uploads, an easy-to-use sidebar, and a powerful search engine. CodiMD is available in a variety of languages and can be hosted on-premise or in the cloud. It is used by teams of all sizes, from small startups to large corporations.
Discontinued The program seems to be no longer updated. The latest version, 2.5, released in December 2014, can still be downloaded from the official website.