Two Brain

Your Brain. Your Computer. Your Income.

Build an AI from 20 years of emails, chats, and calendar. Chat with it on WhatsApp. Sell access to your expertise.

Runs on your machine · Learns from your data · Works in any chat app

Beta launching Q2 2026 · First 1,000 get early access

Coming Soon

One-line install (when we launch):

$ curl -fsSL https://braintwo.ai/install.sh | bash

Or: npm install -g two-brain

Now

Collecting waitlist signups

Mar 2026

Building MVP

Q2 2026

Beta launch — first 1,000 users

What Early Users Will Say

Example use cases from our research interviews

SS
Senior Developer

"Trained my AI on 15 years of dev emails. Now I chat with it on Telegram while I'm cooking dinner. Sold 3 hours of consulting this week while I was literally asleep."

CM
Management Consultant

"My AI has my entire email history. It's like texting my past self who actually remembers everything. Made $840 last month."

MJ
Marketing Director

"I thought this was creepy. Then my AI answered a question using an email from 2015 I completely forgot about. Now I get it."

AR
Accountant

"WhatsApp chat with my own brain. Runs on my old Mac Mini in the closet. People pay me $30/hr to chat with it. Future is weird."

WE
Freelance Writer

"Built it on Sunday. By Tuesday it had learned my entire writing style from 50k emails. By Friday someone paid $50 to get advice from it."

RT
Academic Researcher

"This is the closest thing to a second brain I've ever used. And it pays me."

LP
Corporate Lawyer

"20 years of case notes, client emails, and legal research. My AI drafts better briefs than my junior associates. They now use it too."

DK
UX Designer

"Fed it every client email I've ever sent. Now when someone asks about my process, my AI explains it better than I do. $320 last week from design consultations."

NW
Nursing Educator

"My AI learned from 12 years of my teaching materials. Students chat with it on Discord at 2am before exams. I wake up to Venmo notifications."

JC
CTO

"My AI knows every architecture decision I've made in 18 years. New hires ask it why we built things a certain way. It remembers what I forgot."

AM
Financial Analyst

"10 years of market commentary in my email. My AI now gives better takes than half the newsletters I subscribe to. Charging $25/hr for access."

BH
Life Coach

"8 years of session notes. My AI handles intake questions on WhatsApp while I'm with other clients. Converts 40% of them to paid sessions."

TS
Physics Teacher

"15 years of lesson plans and student Q&A. Parents pay $10/month for their kids to chat with my AI for homework help."

RG
Real Estate Agent

"Every negotiation email, every market update I've sent in 11 years. My AI helps first-time buyers on Telegram. Made $1,200 last month in referral fees."

PD
Product Manager

"My AI has every PRD, sprint retro, and stakeholder email I've written. Junior PMs on my team ask it questions before asking me. Everyone wins."

YL
Yoga Instructor

"6 years of meal plans and training programs. Clients text my AI at midnight asking what to eat. I sleep great."

HC
Restaurant Owner

"20 years of recipes, supplier contacts, cost spreadsheets. My AI handles vendor questions and menu planning. It's like having a sous chef that knows everything."

KF
3x Founder

"My AI knows every investor pitch, every pivot, every post-mortem. First-time founders pay $40/hr to pick my brain. Except it's not even me answering."

MR
Auto Mechanic

"22 years of repair notes and parts orders. DIY guys chat with my AI on WhatsApp before touching their engines. $15/hr, 30 hours last month."

AZ
Architect

"Every project spec, city code reference, and client revision for 14 years. My AI saves me 2 hours a day just answering code compliance questions."

Want early access?

Three Steps to Passive Income

1

Install on Your Computer

  • Mac, Windows, or Linux
  • Runs locally - your data never leaves
  • 5 minute setup
2

Connect Your Digital Life

  • 20 years of Gmail
  • WhatsApp, Telegram, Signal history
  • Google Calendar patterns
  • Slack conversations
  • Documents, notes, files

Your AI learns how YOU think

3

Chat Anywhere, Earn Anywhere

  • Chat via WhatsApp/Telegram/Discord
  • Use it as your personal assistant
  • Sell 1-hour sessions ($20-50/hr)
  • Keep 70%, we keep 30%

Your AI knows:

  • How you solve problems
  • Your expertise patterns
  • Your communication style
  • 20 years of your professional knowledge

It's literally your brain, available 24/7.

Connects to Everything

Import your knowledge from anywhere. Chat from any app. All planned for beta.

Data Sources

Gmail
Google Drive
WhatsApp
Telegram
Slack
Notion
GitHub
Calendar

Chat Anywhere

WhatsApp
Telegram
Discord
Slack
iMessage
SMS

Powered By

Claude
OpenAI

All integrations planned for beta launch. Join waitlist for updates.

Privacy First

Your Data Stays Yours

All processing happens on YOUR machine. Your emails never touch our servers. You control what your AI learns.

Full Control

Want to delete something? Done. Want to turn it off? Your machine, your rules. Want to see exactly what it learned? Open source soon.

No Rate Limits

Your computer, your AI, unlimited usage. No "sorry, you hit your monthly limit." Chat with your brain all you want.

What People Will Do

Personal Use

  • "Find that email from 3 years ago"
  • "What was I doing August 2019?"
  • "Draft a response in my style"
  • "Remind me what I told John about X"
  • "Search my entire digital history"

Monetized Use

  • Junior devs ask your AI for React advice
  • Founders get tax questions answered
  • Writers get editing feedback
  • Consultants sell async expertise
  • Coaches offer 24/7 advice

Questions

Any Mac, Windows, or Linux machine that can stay online. Nothing fancy required.
Your AI runs on your computer, you chat with it via WhatsApp on your iPhone. No app needed.
More is better, but even 5 years of emails works great. The more history you have, the more your AI sounds like you.
Yes, full transparency into training data. Everything runs on your machine so you have complete access.
Remove it from training data anytime. Your machine, your data, your rules.
Only if you want to earn money. Otherwise run it when you need it. Your schedule, your choice.
Beta launches Q2 2026. Join the waitlist for early access — first 1,000 signups get priority.

Get Beta Access

Join the waitlist. First 1,000 signups get priority access + founder pricing.

We'll email you when we launch (Q2 2026)
Early signups get priority access + founder pricing