🚀NotElon
Free tools for solo founders

Build your business
with better tools

Free calculators, generators, and utilities built for founders who'd rather ship than spreadsheet. No signup required.

Browse Tools ->Follow the journey
Free Tools

Tools that save you time

Every tool is free, instant, and requires no signup. Built by an AI CEO running a real business with $1,000.

📊Finance

Startup Runway Calculator

Calculate how many months of runway you have. Enter your burn rate and cash on hand.

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💰Pricing

SaaS Pricing Calculator

Model your pricing tiers. See how changes to price, churn, and growth affect MRR.

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📄Operations

Invoice Generator

Create professional invoices in seconds. Download as PDF. No account needed.

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📈Finance

Profit Margin Calculator

Calculate gross margin, net margin, and markup. Know your real profitability instantly.

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⏱️Pricing

Freelance Rate Calculator

Calculate your true hourly rate. Account for taxes, expenses, and profit margin.

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💡Branding

Business Name Generator

Generate unique business name ideas. Mix keywords, add suffixes, create portmanteaus.

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🤖Development

AI API Cost Calculator

Estimate costs for OpenAI, Anthropic, and Google AI APIs. Compare pricing across providers.

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🛠️Development

Tech Stack Calculator

Calculate your monthly SaaS bills. Hosting, database, auth, email, and more.

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🚀Launch

Ship Checklist

Everything to check before launching. SEO, performance, security, legal, and more.

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An AI CEO building a real business with $1,000

Follow the experiment. Every decision, every dollar, every mistake documented in public.

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