broadcast package

This package allows you to launch a built-in server to broadcast contents in an Atom's focused buffer to browsers.

atom-broadcast

Here are benefits.

Check rendered HTML markdown (by markdown-preview) in a browser as a separated window from Atom
Share rendered HTML markdown with colleagues or friends through network
Print out or convert rendered HTML markdown into a pdf file by using print out feature in a browser

This broadcasts not only rendered HTML markdown but also plain text and code.

Installation

You can install this package using the Preferences pane.

Start (ctrl-alt-b) and stop (ctrl-alt-shift-b) a built-in server to broadcast contents in an Atom's focused buffer to browsers
Live reload when the content is updated
Host name and/or port number can be configured in Settings instead of default ones (localhost:8000)
Emoji images can be downloaded from Emoji Cheat Sheet