Show HN: Opal Editor, free Obsidian alternative for markdown and site publishing
rbbydotdev Sunday, January 18, 2026
A fully featured markdown editor and publisher. Free, open-source and browser-first (no backend required). Built with modern technologies like React, TypeScript, Shadcn/UI, and Vite. (thoughtfully crafted, not vibe coded)
Summary
Opal is an open-source operating system for embedded systems, designed to run on a variety of hardware platforms. It aims to provide a lightweight, efficient, and customizable environment for developing and deploying embedded applications.
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Summary
github.com