Offline GitHub Flavored Markdown Previewer: gh-gfm-preview

gh-gfm-preview is a command-line tool written in Go that lets you preview GitHub Flavored Markdown (GFM) files locally. It works offline, is fast, dependency-free, zero-configuration, and features live reloading, automatic browser opening, and more. You can run it via `go run github.com/thiagokokada/gh-gfm-preview` or install it as a GitHub CLI extension. The tool offers various command-line options, such as forcing dark mode, disabling auto-browser opening, etc. It can even be integrated into Neovim for one-click Markdown preview.