Creative
Keyboard visualizers, 3D, animation demos
Work Louder Keyboard
Work Louder × OpenAI 3D keyboard demo: keys, LED effects and agent animation
Grok Build Whitepaper
xAI grok-build technical whitepaper: architecture, tool calls, sandbox, agent coding
macOS Calculator
macOS-style calculator: basic / scientific / programmer modes
Animation Library
117 spring-physics UI micro-interactions, live preview, copy CSS / React code
Typing Speed Test
Chinese / English typing speed test with live WPM, accuracy and timing
Pixel Art Board
Pixel art board: grid drawing, palette, eraser, export PNG