Lean Canvas
The classic one-page business model — Problem, Solution, Key Metrics, UVP, Unfair Advantage, Channels, Customer Segments, Cost Structure, Revenue Streams. Save snapshots to track how your thinking evolves.
Client files deserve better than a Terms of Service
The Founder's Engine is the answer
Attorney-client privilege. Financial records. Trade secrets. NDAs. Every cloud upload is a potential discovery issue. Local-only tools. Your client's data never touches a third-party server.
The Founder's Engine is a single-file engine with 10 tools that runs entirely in your browser. The Founder's Engine packages ten interconnected tools for pre-revenue to early-stage startups. Your Lean Canvas populates Personas, Pricing feeds Runway, Experiments update Metrics, and your Investor Update pulls from everything. Build → Measure → Learn, all in a single HTML file that never phones home.
WHAT'S INSIDE
10 tools in a single HTML file
Personas
Build detailed customer profiles seeded from your Canvas. Demographics, pain points, goals, objections, where they hang out, willingness to pay, and a verbatim quote.
Experiments Tracker
Formally track Build-Measure-Learn experiments. Hypothesis, method, success criteria, status (planned/running/analyzing/decided), result (validated/invalidated), and learnings.
Landing Page Copy Builder
Structure your landing page messaging — headline, subheadline, problem statement, solution, feature-benefit pairs, and CTA. Live preview shows how it reads.
HOW IT WORKS
Three steps. No setup.
1
Download the file
Purchase The Founder's Engine and download a single HTML file. No installer, no account, no setup.
2
Open in any browser
Double-click to open in Chrome, Firefox, Safari, or Edge. Works on any operating system.
3
Start working
Your data stays in your browser's local storage. Nothing is uploaded. Ever.
COMPLIANCE & GEOGRAPHY
Global
Works in any country. No server dependency, no regional restrictions.
FAQ
Frequently Asked Questions
How does The Founder's Engine solve the client confidentiality problem?
The Founder's Engine runs entirely in your browser. Attorney-client privilege. Financial records. Trade secrets. NDAs. Every cloud upload is a potential discovery issue. Local-only tools. Your client's data never touches a third-party server. Lean Canvas, personas, experiments tracker, landing page copy builder, pricing modeller, revenue log, burn rate calculator, runway projections, metrics dashboard, and investor update generator. Ten tools for pre-revenue to early-stage startups.
Is my data safe with The Founder's Engine?
Yes. The Founder's Engine is a single HTML file. It never connects to any server. Your data stays in your browser's local storage on your device.
What makes The Founder's Engine different from cloud tools?
Cloud tools require internet, charge subscriptions, and store your data externally. The Founder's Engine is a one-time purchase ($69), works offline, and never transmits data.
Is The Founder's Engine really just one file?
Yes. The Founder's Engine is a single HTML file containing 10 tools. Download it, open it in any browser, and start working. No installation, no dependencies, no accounts.
No cloud One fileOne-time purchase
Get The Founder's Engine — $69Sovereignty as a Service