NoteLinkYour second brain,
now it thinks with you
An Obsidian-style knowledge base where every note connects — and an AI assistant that actually knows what's in them.
Free to startBring your own AI keyYour notes stay yours
Everything you love about linked notes — plus a brain
Wiki-links & backlinks
Type [[ to connect ideas. See every note that points back, automatically.
AI that knows your notes
Ask questions and get answers grounded in your own writing — with sources.
Connect your AI tools
Link any MCP-compatible AI client to search and read your notes, or let it create and edit them when you allow it. Read-only by default, locked notes stay private, and you can revoke access any time.
Instant full-text search
Find anything across every note the moment you type it.
Markdown, your way
Write in plain Markdown with a live preview that matches what's stored.
Folders & tags
Organize loosely or tightly — however your brain actually works.
Your data, your key
Bring your own Claude or OpenAI key. We never train on your notes.
Up and running in three steps
Write & link
Capture notes in Markdown and connect them with [[wiki-links]].
Connect your AI
Add your own Claude or OpenAI key in settings — encrypted and private.
Ask anything
The assistant answers from your notes and drafts edits you approve.
Free to start. Pro when you need more.
NoteLink on every device
Mac
Download on the App Store
iPhone & iPad
Coming soon
Android
Coming soon
Chrome & Edge
Add the Web Clipper
Your notes sync across the web and every app.
Start building your second brain today
No credit card Free to start