Financial Web Tools – decision-focused calculators
No-signup financial calculators when NerdWallet and Bankrate already exist.

Generic car buying calculator when Edmunds and KBB already dominate.
Car buyers, personal finance enthusiasts
Edmunds · Kelley Blue Book · CarGurus
No-signup financial calculators when NerdWallet and Bankrate already exist.
Yet another car cost calculator when Google Sheets templates do this.
Visualizes the 'post-money' dilution trap better than any static YC guide.
Verifies lease math to the cent against real dealer documents—transparency tool, not product.
Six specialized analysts (fundamentals, technical, sentiment, valuation, growth, macro) run in parallel, optional LLM personas (e.g., buffett, burry) can be injected, and a risk manager enforces volatility/correlation caps before the portfolio manager emits sized trades. It's a practical, hands-on starter for experimenting with agent-driven trading ideas — sensible defaults include a rule-based mode that needs no API keys — but it sits in a crowded, speculative space and lacks evidence of robust backtesting or live performance.
AI reads your LinkedIn and tells you about yourself — Crystal Knows did this first.