About

Obsidian is a proprietary personal knowledge base and note-taking application that operates on markdown files. It offers various features, such as backlinks, tags, and search options, allowing easy navigation and documentation. Users can customize sites with themes, password protection, and custom domains. The software is free for personal and commercial use, with only its offered cloud services being paid. It is available as desktop versions for macOS, Windows, and Linux, as well as for mobile operating systems like iOS and Android, but not as a web application. On GetApp, Obsidian holds a strong rating of 4.7 based on 43 reviews, and offers both a free trial and a free version.