Tools Monorepo

A collection of small, useful tools built with AI-assisted coding. Each tool is designed to be simple, focused, and practical.

Web App

Audio Visualizer

Create beautiful radial waveform visualizations with complementary color palettes. Upload multiple audio files for stunning visual displays using p5.js graphics.

React TypeScript p5.js chroma.js Vite Tailwind v4
Web App

Difference

Fast, virtualized diff viewer. Paste a GitHub pull request, commit, or compare URL (or a raw diff) and browse it with a file tree, unified/split views, and syntax highlighting. Large diffs stay smooth thanks to row virtualization.

React TypeScript Vite @tanstack/react-virtual Shiki Tailwind v4
CLI Tool

Gap Scanner CLI

Pre-market gap scanner for Gap & Go trading strategy using Finnhub API. Scan stocks for significant gaps with customizable filters (gap %, volume, float, price range). Features watch mode and JSON export.

TypeScript Node.js Commander.js Finnhub API
Web App

Ikigai Tool

Discover your Ikigai - your reason for being. Interactive diagram to map what you love, what you're good at, what you can be paid for, and what the world needs.

React TypeScript React Flow Vite
Web App

Instrument Tuner

Free online instrument tuner with real-time pitch detection. Perfect for guitar, bass, violin, and more. Features visual feedback and multiple tunings.

React TypeScript Vite shadcn/ui Tailwind v4
CLI Tool

Local Finance Analyzer

A privacy-first, local-only personal finance CLI tool with AI-powered transaction categorization and HTML reports. All data stays on your machine.

TypeScript Node.js SQLite AI Integration
Web App

InstrumentPractice Pro

A comprehensive instrument practice app with MIDI/microphone support for sight reading, scales, and music theory training. Supports Piano, Violin, and Guitar.

React TypeScript Vite Web MIDI Web Audio
Web App

Puzzle Games

Touch-friendly puzzle games (Sokoban, Word Search, Nonogram, Blockworld) for Theodore, optimized for Daylight Computer e-ink display. Black & white design with large touch targets.

React TypeScript Vite TanStack Router
Web App

RSVP Reader

Speed reading app with RSVP technology and zero-jiggle ORP highlighting. Read 3x faster with URL extraction, text input, and adjustable speed (100-1000 WPM). Features smart punctuation pauses and distraction-free reading mode.

React TypeScript Vite Tailwind v4 Lucide React
Web App

Tape Looper

Browser multitrack tape-machine DAW. Record audio, overwrite like analog tape, play back multiple tracks. Minimal B&W interface optimized for Daylight e-ink.

React TypeScript Vite zustand Web Audio API
Web App

Visual HTML Builder

A visual HTML editor with real-time preview, inline editing, and full style customization. Build web pages without writing code.

Vanilla JS HTML CSS