Obsidian
obsidian.mdfreemiumReviewed 11 Sept 2026
Obsidian is a markdown note-taking app that stores everything in local folders. It provides bidirectional linking, a graph view, backlinks, and a large plugin ecosystem. The core app is free; syncing and publishing are paid add-ons.
Key features
- Local markdown files
- Bidirectional links
- Graph view
- Plugin ecosystem
- End-to-end encrypted sync (paid)
notes markdown knowledge-base