Switch IP is an extension for Firefox designed to switch IP bind to current daemon with a simple click. In addition, DNS would be refreshed whenever your change host by HostAdmin ...
In most of web apps developing, there is a development environment, and the production domain names will be binded to the development machine.This can be easily simulated production environment.
DreamHostAdmin is a desktop application written in C#.NET 3.5 specially designed to use Dreamhost's API to remotely administer a web hosting account.