ThemeForest Infinity is a responsive Bootstrap Admin Template. It provides you with a vast collection of ready to use code snippets and utilities many custom pages and a collection of applications and widgets.
Infinity is the best choice for your business backend. This template has all kind of sweeties that you need for a really nice admin panel. Just take a look at demo link and you will be convinced.
In downloaded archive you can see PSD(Photoshop) files that are available for editing. Edit logo, menu and whatever you need.