Obsidian

knowledgefree tier

Local-first markdown vault. Doubles as long-term memory for agents.

obsidian.md

What is it?

A note app where everything is plain Markdown files on your own disk — no cloud lock-in. For AI work it doubles as an agent's long-term memory. A paper notebook that robots can also read.

Pricing

Pricing: free tier + paid
free tier: free for personal use
source: https://obsidian.md · checked 2026-07-09
verified: 2026-07-09

Used in scenarios

$ equip a coding agent →
$ make faceless YouTube videos →