Awesome

Wide GitHub

This plugin changes all GitHub repository pages to be full width and dynamically sized. Gists are supported as of version 1.1.0.

This repository always contains the latest version, the Chrome and Firefox extension updates may be delayed by submission reviews.

As a Chrome Extension:

The Chrome extension can be installed from the Chrome Web Store

As a Firefox Addon:

The Firefox addon can be installed from the Mozilla Addons Website

As a Greasemonkey / UserScript:

This script can be installed into Greasemonkey or other user script plugins by going here: wide-github.user.js

As a Stylus / UserCSS

This style can be installed into Stylus by going here: wide-github.user.css

To generate the user.js for Greasemonkey, run make js.

The user.css can be built using make css.

The chrome extension and firefox addon are identical and can be built using make chrome.