Deploy Tiddlywiki on your own server.

HedgeDoc, previously known as CodiMD, is an open-source, web-based, self-hosted, collaborative markdown editor. It allows you to collaborate on notes, graphs, and presentations in real-time. Simply share your note-link with your co-workers and they can join in the collaboration. The editor runs directly in your browser, allowing you to stay in control of your data by keeping it on your server. HedgeDoc also offers a presentation mode for building and presenting slides in markdown, and supports a variety of graphs, diagrams, and embedded content. It features an easy-to-use permission system for managing note permissions, and keeps track of changes to your notes through revisions, even allowing you to revert to older versions. Despite its extensive features, HedgeDoc has low system requirements and can run smoothly even on a Raspberry Pi.

MediaWiki is a powerful, open-source wiki platform that powers some of the largest collaborative projects, including Wikipedia. It offers a flexible and extensible framework for creating and managing content, supporting features like user management, version control, and powerful extensions. MediaWiki provides multilingual support, ensuring global accessibility, and includes built-in tools for content organization, search, and collaboration. It is an ideal solution for knowledge bases, documentation sites, and community-driven content platforms. With a vibrant ecosystem of plugins and themes, MediaWiki can be customized to suit diverse use cases.

BookStack is a free and open-source platform designed to help you organize and store information in a simple and efficient way. It is a self-hosted solution that allows you to create, edit, and manage content through an easy-to-use interface. The content is divided into three real-world groups: Books, Chapters, and Pages, making it easy to navigate and find the information you need. The platform also includes a powerful search feature that allows you to search at the book level or across all books, chapters, and pages. You can also link directly to any paragraph, keeping your documentation interconnected. BookStack offers configuration options that let you customize the system to suit your needs, including changing the name, logo, and registration options. It also includes built-in diagrams.net drawing capability for creating diagrams within your documentation, a markdown editor for those who prefer to write in markdown, and integrated authentication options. The platform supports multiple languages and offers both dark and light modes for a comfortable user experience. It also includes a full role and permission system, multi-factor authentication, and features like cross-book sorting, page revisions, and image management.