Free tools · no signup
Small, sharp tools for founders building without a co-founder or outside funding. Each one answers a single real question, in under a minute, with nothing to sign up for.
How many months of cash do you actually have? See your net burn, your zero-cash month, and whether you are default alive or default dead.
Work out my runway → Startup · BuilderYour whole business model on one page. Build a live Lean Canvas, save it, and pressure-test the boxes that scare you.
Open Sproutplan → Operations · DecisionSeven plain questions, then a clear recommendation on which structure actually fits your situation, and what it costs.
Take the check →Built for the way founders actually work
No accounts, no paywalls, no data collection.
Every tool here runs entirely in your browser. Nothing you type is sent to us or stored anywhere, so you can put real numbers in without thinking twice.
More tools ship as we build them. If there is a calculation you keep redoing by hand, tell us and it may become the next one.
The Founder's Toolkit
Everything scattered across the site, in one download, kept current.
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