Obsidian
Category: AI for ProductivityObsidian is a free local-first Markdown knowledge base with linked notes, graph views, and community plugins; optional Sync and Publish services are paid.
Pricing
Freemium
Prices change often. Confirm current plans on the official website before you buy.
Listed features
- Local Markdown notes and backlinks
- Knowledge graph and extensible plugins
- Optional encrypted Sync and web publishing