Built for founders

Communicate like
a team of one.

Your investor updates, partnership emails, customer messages, and hiring outreach — all in one intelligent library that expands anywhere you type.

Free forever · No credit card · Templates included

Sound familiar?

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You're the only one writing investor updates, customer emails, and partnership outreach

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Your best intro email gets rewritten from memory every time

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Hours a week lost to communication that follows the same structure anyway

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No system — everything lives in Sent Mail or your brain

What you get

Investor update templates

Monthly / quarterly update structure with MRR, growth, wins, challenges, and ask — pre-formatted, just fill variables.

Partnership outreach

Warm intro request, cold partnership email, and follow-up templates for BD conversations.

Customer onboarding emails

Founder-written welcome emails that feel personal, even when sent at scale.

Hiring & offer messages

Engineer sourcing, offer extensions, and rejection templates that protect your brand.

Press & media replies

Ready responses for inbound press inquiries, speaker invitations, and podcast requests.

AI tone changer

Write once, rewrite for the audience — formal for board, casual for customers, sharp for investors.

Founder Stack — included free

View all
/update

Investor update

Hi {investor}, here's our {month} update. MRR: {mrr} ({growth}↑). Wins: {wins}. Challenges: {challenges}. Ask: {ask}.

/partner

Partnership outreach

Hi {name}, I'm the founder of {company} — we're building {desc}. I think there's a natural fit with {their_co} because {reason}.

/welcome

New customer welcome

Hi {first_name}, I'm {founder}, the founder. I personally read every reply. Hit reply and tell me what made you sign up.

/intro

Intro request

Hi {name}, would you be open to an intro to {target}? Happy to make it easy — here's a forwardable blurb: {blurb}

/hiring

Engineering outreach

Hi {name}, I'm building {product} and your work on {project} stood out. We're a small team moving fast — open to a chat?

/press

Press inquiry reply

Hi {journalist}, thanks for reaching out about {topic}. I'd be happy to comment. Here's a quick summary and I'm available for a call...

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The Founder Stack is free — investor updates, BD outreach, customer emails, and more.

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