QL-Win / QuickLook

Bring macOS “Quick Look” feature to Windows

sbarex / QLMarkdown

macOS Quick Look extension for Markdown files.

Marginal / QuickLookVideo

Finder Thumbnails, Quick Look previews, Get Info metadata and previews for most types of audio and video files.

xykong / flux-markdown

Markdown Preview Enhanced for macOS QuickLook

migsilva89 / imark

Native Markdown reader for macOS. Keep it open while you write and it follows every save. Comment on a phrase and the note is saved into the .md file itself. Your coding agent can open a plan here and wait while you mark it up.

ashtree74 / PreviewMD

A native, offline-first macOS Markdown reader and editor — open source, extensible, and built in Swift.