Developer builds zero-dependency static site generator CalcSmith, launches two live sites

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A developer has released CalcSmith, a zero-dependency static site generator built with plain Node.js and MIT licensed, designed specifically for creating calculator websites. Each calculator is defined in a single .mjs file and the tool outputs plain HTML, CSS, and JavaScript along with JSON-LD schema markup, sitemaps, and FAQ blocks. The creator used CalcSmith to launch two live sites: one covering construction and landscaping calculators in English, and another focused on Argentine personal finance calculators in Spanish, the latter pulling live exchange rate data from Argentina's central bank. To handle unreliable external data sources, the tool uses a fetch-with-fallback pattern that caches last-known-good values so sites never deploy in a broken state. The core repository is freely available on GitHub, while the developer also offers a paid pack of 12 SEO-ready calculator modules on Gumroad.

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