GTM Simulator – Build a B2B Startup from Seed to IPO
Free business sim with AI market dynamics, but Capitalism Lab and Virtonomics already exist.

Gamifies dilution math better than dry Carta calculators, but likely linear.
Aspiring founders, early startup employees
Carta Equity Calculator · YC Equity Guide
Free business sim with AI market dynamics, but Capitalism Lab and Virtonomics already exist.
Startup equity horror roguelike teaching ESOP manipulation through actual gameplay mechanics.
Play a forgotten forest mystery directly in your browser window.
Daily feed of European startup funding with per-deal cards that surface amount, round, investors and links to startup and investment pages. The UI shows real care — big hero, map motif and clean card layout — but the product reads as a focused data play rather than a technical breakthrough; it's useful if you need Europe-specific deal flow, but there’s no obvious signal (API, unique sourcing, advanced filters) that it outclasses Crunchbase or Dealroom.
GitHub velocity predicts funding, but this is a static list, not a tool.
Replaces Excel for modeling PE fund waterfalls and J-curves in the browser.