Lunascape

Lunascape is the world's only triple engine & triple add-on web browser. What it means is that It combines the best of Firefox, Google Chrome, and Internet Explorer into a single browser. You can switch between three rendering engines on the fly for each tab for your specific need and it allows you to view a page in three rendering engine side-by-side for easy site comparison. From version 6, Lunascape is also compatible with vast array of Firefox add-ons in addition to Internet Explorer add-ons and Lunascape plug-ins, giving you an added degree of flexibility.