NO NEW APPS  •  ZERO BEHAVIOR CHANGE  •  INTELLIGENT ROUTING  •  GOOGLE NATIVE  •  100% PRIVATE  •  OPEN SOURCE  •  NO NEW APPS  •  ZERO BEHAVIOR CHANGE  •  INTELLIGENT ROUTING  •  GOOGLE NATIVE  •  100% PRIVATE  •  OPEN SOURCE  • 
GitHub
v0.1.0

YOUR
BRAIN.
SELF
HOSTED.

No one opens Notion to log an idea at 2am.
Everyone opens WhatsApp.

Install Now GitHub

Second Brain

Hey, add "linear.app" to my tools to check out. Also remind me to call the dentist Friday 3pm.

Captured & Routed:

  • Saved to Keep: "Tools to checkout"
  • Scheduled: Dentist (Fri 3:00 PM)

Processed instantly on-device in 1.2s

Message yourself...
NO SUBSCRIPTIONS.

Opinionated, self-hosted infrastructure. You own the server, you own the brain. Noting things down shouldn't be a chore.

Smart Routing

Understand your unstructured thoughts. The AI parses intents and automatically categorizes notes, events, and tasks.

Google Native

Sync directly with Google Keep, Tasks, and Calendar. Native reminders push straight to your phone.

Zero Friction

No new apps to install. No context-switching. Send ideas to yourself on WhatsApp immediately.

Radical Privacy

100% self-hosted infrastructure. Bring your own API keys. No subscriptions, completely yours.

UPCOMING ROADMAP

Semantic RecallFind ideas by meaning using local vector search.
Voice & VisionAudio transcription and image text extraction.
Proactive CronMorning briefings, idea digests, and weekly nudges.
Web DashboardA unified interface to query your second brain.

ONE LINE.
15 MINUTES.

No crazy configs. Published to npm. The wizard handles OAuth setup and securely links your WhatsApp account.

NPM Install

One-Liner Install

Zero Subscriptions
WhatsApp/Telegram Bridge
Local Storage
bash — second-brain
~$ 2nd-brain

Welcome to Second Brain
? Scan QR to connect WhatsApp [Connected]
? Enter AI API key ****************
? Choose storage backend Google Keep
? Connect Google Account [OAuth Success]

▶ System active. Text yourself to start.
_