
ContrastKit
Check WCAG contrast, then fix failing colors in one click.
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Stratos Skysweeper
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Sculpt real-time 3D volumetric clouds and export as a 4K wallpaper.
Built with OpenAI and Claude by Chris Pirillo, Stratos Skysweeper is a WebGL sky designer that lets you shape photorealistic volumetric clouds in real time — adjusting density, lighting, and wind. When the scene looks perfect, export it as a 4K wallpaper image with one click, entirely in-browser and signup-free.
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Generated launch trailer
AIBuilt generated this launch kit automatically from arcade.pirillo.com/stratos-skysweeper.html. No uploads, no editing — point us at the build and ship.
10-second trailer
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Watch the demo before you click.
A tiny retro studio for drawing crisp pixel-art sprites.

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Forge color palettes you can actually ship.
A tiny retro studio for drawing crisp pixel-art sprites.