Free Online Tools for Founders— LotofTools

59+ free calculators for founders. Burn rate, LTV:CAC, NPS, and more.

by Ernesto Huels

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Apr 20, 2026 Finance & Accounting

financial calculators founder resources saas metrics

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1000+ free browser-based tools: SaaS calculators, developer utilities, finance tools, marketing calculators and more. No signup. Runs 100% in your browser.

Comments (1)

Tate Stanton 2 months ago

good typography choices for something that couldve been a spreadsheet

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