A growing suite of practical digital tools

Finance, decision-making, automation and experimental apps — all in one place.

Built for speed, experimentation, and learning.

Available Tools

Click on any card to explore a tool or learn about what's coming.

Utilities and experiments for AI prompt design and testing

Educational tools and simulations for trading strategies

Personal tools to track and reason about assets and capital

Simple models and calculators to evaluate businesses

Want to add a new tool? Copy a project folder into the app directory and update lib/tools-config.ts.