Here are the free, open-source tools I've built so far. They run in the browser, the terminal and on your phone, with nothing to sign up for and nothing heavy to install.
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csslib Modern CSS, made visible. Atelier has four visual CSS studios and Vektor.css is a charting library in pure CSS. |
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gpuengine WebGPU in the browser: the wgpu3d 3D library, the open-world City Drive game, GPU dev tools and a 12-lesson tutorial. |
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sqx Query CSV, JSON, logs and websites with SQL from the command line, all in one static Go binary. |
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Android Shop Small Android apps and dev tools that work offline and one-handed. Includes android_scaffold, which turns Kotlin files into a running app. |
💡 I'm always open to interesting ideas. If you have one, open an issue or reach out.
⭐ If something here saves you time, a star helps others find it.




