Tana Outliner
The knowledge management outliner with supertags, multiple views, and contextual AI for power users
Overview
Tana Outliner is a personal knowledge management tool built around an infinite outliner. Its core concept, Supertags, lets you turn any text node into a typed object with custom fields, views (table, kanban, calendar), and dynamic searches: a living database hidden in your notes.
Integrated AI enables chat over your knowledge base, voice meeting transcription, and memo generation. Tana targets advanced users; the learning curve is real, and extreme flexibility can paralyze those without a defined system. Free plan includes basics; paid unlock AI credits and integrations.
Our verdict
Built for consultants, researchers, and lawyers who want a structured second brain and refuse Notion or Obsidian compromises. If you spend 2-3 weeks learning it, ROI is exceptional. Avoid entirely if you want plug-and-play software or work with large teams: Tana stays individual with minimal third-party integrations.