Joplin

Joplin is an open-source note-taking application that allows users to create, organize, and synchronize notes across multiple devices. Its key features include support for Markdown, note organization via notebooks and tags, a rich text editor, and the ability to attach files. Users can synchronize notes with various cloud services, including Nextcloud, Dropbox, OneDrive, and WebDAV. This application is suitable for individuals and teams seeking a privacy-focused and flexible note-taking solution with robust organizational features.