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Show HN: Tufte Editor – Local Markdown Editor with Tufte CSS Live Preview

avngr86 Sunday, February 15, 2026

A split-pane Markdown editor that renders live preview with Tufte CSS. Sidenotes, margin notes, epigraphs, full-width figures, and BibTeX citations with autocomplete — all in standard Markdown extensions.

Documents are .md files on disk. Images are regular files. Exports to standalone HTML with Tufte CSS baked in — my use case is writing essays and uploading them directly to my personal site.

Zero dependencies, no npm install, no accounts, no build step. Just `node server.js`. ~7 files total.

Full disclosure in the README: I'm a researcher, not a JS developer, and the code was AI-generated. Contributions and code review welcome.

Summary
Tuftee Editor is an open-source, lightweight, and customizable text editor designed for developers. It offers features such as syntax highlighting, code folding, and a built-in terminal, aiming to provide a streamlined and efficient coding experience.
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Summary
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