Alternatives to sbarex QLMarkdown

Quick Look extension for folders

Quick Look extension for syntax-highlighted file previews

Markdown previewer with bundled Quick Look extension

Quicklook extension for source files

Markdown editor

Markdown viewer and editor

Thumbnails, static previews, cover art and metadata for video files

Quick Look plugin to pretty-print JSON

Markdown viewer with QuickLook and Mermaid support

Markdown editor

Quick Look plugin for mobile apps and provisioning profiles

Previewer for Markdown, MultiMarkdown and other text markup languages