Wiki.js is an open-source and self-hosted wiki application. It helps users to create, manage and share knowledge in an easy and collaborative way. Wiki.js is powered by Node.js and can be installed and deployed on Linux, macOS and Windows. It has a modern and intuitive user interface, with a vast range of features, such as version control, page history, page search, page tagging and categories, page discussion and voting, page tagging and categories, page permissions, page attachments, page comments, page translations and more. Wiki.js also provides an API for creating and managing content, as well as a rich set of plugins for extending its functionality. Wiki.js is free and open source, and can be used for personal and commercial use.
The Discontinued Project is not maintained as of October 2018 and the Github repository is archived. https://github.com/Dynalon/mdwiki/commit/35708693eb5b829334890ccca6b8b80c9497acb4