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Show HN: HyTags – HTML as a Programming Language

lassejansen Tuesday, January 13, 2026

This is hyTags, a programming language embedded in HTML for building interactive web UIs.

It started as a way to write full-stack web apps in Swift without a separate frontend, but grew into a small language with control flow, functions, and async handling via HTML tags. The result is backend language-agnostic and can be generated from any server that can produce HTML via templates or DSLs.

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