Live Markdown for GitHub

Live Markdown for GitHub is a userscript that adds a live preview of your markdown text to comments, issues, etc. on GitHub.
It's enabled by default, updates in realtime and can be toggled on and off with a button in the text area.

Installation

1. Install a userscript implementation.

• Chrome: Tampermonkey
• Firefox: Greasemonkey
• Opera: See documentation. (Untested)
• Safari: NinjaKit (Untested)

2. Download the userscript here.

You can also install the script to Chrome directly by saving the .user.js file to your hard drive and dragging & dropping it to your Extensions page.