Obsidian’s website describes the app as “a second brain for you, forever”. In plain English, O that means a tool that can help you take and organise a colossal number of notes in a simple way, from basic study notes to a full-blown wiki.
The program makes use of the Markdown markup language to format text, making it easy to import and export files. This simplifies tasks such as using links to jump between notes and organising large amounts of information.