PRODUCTIVITY APP

Second Brain OS

Your whole work life — tasks, projects, notes and goals — in one live app.

$49.00
BUY NOW →
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What You Get

✓ Today dashboard with tasks, projects, notes and goals

✓ Quick Capture inbox

nothing gets lost

✓ Honest project progress at a glance

✓ Weekly Review that builds itself

✓ Single-file web app

data stays on your device

Ready to Get Second Brain OS?

Your whole work life — tasks, projects, notes and goals — in one live app.

GET IT NOW →

A second brain app that runs as one live file in your browser: tasks, projects, notes and goals in one place, with a Weekly Review that builds itself. No subscription, no account — buy once, use it every day.