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Everything that isn't code.

The operating system for solo founders

Works with Stripe, Lemon Squeezy, Paddle, Google, GitHub and Bitbucket.

One founder. Every job. One workspace.

Roadmap, revenue, runway, relationships — everything you used to juggle across five tools lives together here.

The product

Three questions, answered at a glance.

What should I build next?

Every idea carries a score built from real evidence — a churned customer outweighs a hunch. Your roadmap sorts itself, live.

a churn signal lands — the board re-sorts by evidence

Will the money last?

Type any monthly cost or revenue and watch your runway respond. Move the slider — this is the real feature, not a picture of it.

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avis — finance
What-if simulatorTry it — live

What if I add a monthly…

$1,500/mo

8.8 months of runway

Who needs a call today?

Give every relationship a rhythm. Avis reminds you before things go quiet — and when a churned customer is worth winning back.

The second tab next to your code editor.

One tab for the code. One for the company. Keyboard-first, instant, calm.

C to create·K for anything

Omnia ab uno

Run the whole company from one tab.

Join 1,452 solo founders already running on it.

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Connected in minutes

  • Stripe
  • Lemon Squeezy
  • Paddle
  • Google
  • GitHub
  • Bitbucket