Spacepad is an open-source, self-hosted note-taking and knowledge management application designed to help users organize information efficiently. It provides a clean, user-friendly interface that supports markdown editing, making it easy to create and format notes. With features such as tagging, linking between notes, and full-text search, Spacepad enables users to build a personal or collaborative wiki-style knowledge base without relying on third-party services. Its lightweight design and straightforward setup make it an excellent choice for individuals or teams seeking a private and customizable alternative to cloud-based note apps.