Second brain
Everything you know, linked.
Notes, reading, ideas and journals in databases that stay fast at any size, with a graph of how it all connects.
Your data. Based.How →
A home for your second brain.
Your data lives on your devices and belongs to you. Nothing gets lost, nothing gets read. Databases with a hundred thousand rows stay instant. And if you want it, a crew of agents works right inside them, from your terminal, the cloud or your phone.
Open sourceYour data, your devicesAI only if you switch it onBuilt in Vienna, EU servers
Home: one box for everything, with every choice in reach. Your day and your agents around it. Sample data.
Two things, done properly
A workspace that never makes you wait. Agents that never work behind your back.
01 The workspace
Databases at the heart of it.
Tables, boards, timelines and calendars over the same data. Filters, relations, rollups, linked views and full pages inside every row. Local, so a hundred thousand rows feel like ten.
Explore the workspace →02 The agents, opt-in
A crew that comes to you.
One main agent plans, hands work to specialists and checks back: done, needs you, here's your morning briefing. Every line they write is signed. Bring your own keys, or run models locally.
07:30 Main agentYour morning briefing is ready: 2 deadlines, 1 approval, 3 pages changed overnight.
11:02 ResearcherDone. Competitor table added to Projects/Launch, 14 sources linked.
16:58 Main agentOne thing needs you: approve the proposal draft for Acme.
Where Based sits
Easy like Notion. Private like Obsidian.
Notion is easy, but your data lives in someone else's cloud. Obsidian keeps it on your machine, but asks you to become a plugin engineer. Based gives you both: set up in a minute, your data stays yours, and everything is there to tweak if you want to.
Everywhere
Start in your terminal. Finish on your phone.
The same workspace and the same agents on your laptop, in a cloud sandbox and in your pocket. Reachable through MCP from any AI you use. Every word lands in your workspace the moment it's written.
>_
Terminal
◌
Cloud sandbox
▢
Phone
b
Workspace
Terminal, 09:14
based ask “summarise the Acme call and update the deal”
Cloud agents are opt-in and only see the pages you hand them, while they work. Based Cloud runs on EU servers and is end-to-end encrypted by release.
What you get, and when.
Beta on the Mac
The fast local workspace.
- Mac app, data stored locally
- Sync between your Apple devices through iCloud
- Databases, pages, import from Notion
- Agents with your own keys, opt-in
- Meeting notes transcribed on your Mac, offline
Release
Everywhere, encrypted.
- Based Cloud on EU servers, end-to-end encrypted
- iPhone, iPad, web, then Windows, Linux and Android
- One agent session across terminal, cloud and phone
- MCP for every AI you use
- Self-hosting for anyone who wants it
Love Notion. Not everything about it.
We read r/Notion so you don't have to.
Six things you've definitely said out loud. Tap a card for what we did about it.
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Notion features tracked one by one, from the public help pages
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already working in the prototype. The rest is on the roadmap.
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servers your notes depend on. Local first, the cloud is optional.
1 + ∞
one human in Vienna, plus a night shift of agents that ships while he sleeps
One workspace. Every kind of knowledge.
Business
Run the company on it.
Clients, deals, projects and logs as databases. Agents keep them current and brief you every morning.
Research and study
From lecture to paper.
Record, transcribe on device, cite sources. Course and literature databases that link themselves.
Builders
Wired into your tools.
CLI, MCP, your own keys and local models. Open source, so you can read every line that touches your data.
Based on your devices.
Based in Europe.
Based on nobody's cloud.
Open source, built in Europe, yours to keep. Bring your Notion export and the AI you already pay for.
Join the beta