MDHero

Native macOS/Windows Markdown viewer and lightweight editor for READMEs, AI chat exports, and notes.

Desktopfree

MDHero is a small native Markdown viewer and lightweight editor for macOS and Windows, built for reading things like READMEs, AI chat exports, and notes without uploading files anywhere. It supports syntax highlighting, math, Mermaid diagrams, a distraction-free reading mode, and light in-place editing, aimed at developers and writers who work with Markdown files locally.

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Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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