Utilu IE Collection is a pack that contains multiple versions of the ubiquitous Internet Explorer web browser. It's meant to be used by web developers, mainly for testing purposes, such as when they need to know how a website is rendered and displayed by older editions of IE.
Utilu IE Collection currently contains 13 versions of the IE browser, including the first, Internet Explorer 1.0 and 1.5 versions, as well as the popular 5.01, 5.5, 6.0, 7.0, and 8.0 ones. It includes standalone IE versions that can be run simultaneously, as many of them as you need, all at the same time. Furthermore, besides the aforementioned IE versions, Utilu IE Collection includes the Internet Explorer Developer Toolbar and the Firebug Web Development Extension for Internet Explorer which provides tools and functions that make website troubleshooting and web development easier jobs.
Another nice thing about Utilu IE Collection is the customizable installation, which means that you can install only specific IE versions that you need, and not all of them. Furthermore, Conditional Comments work exactly the same way as in the native versions.
To conclude, Utilu IE Collection is a handy app for any web developer in need of a quick and easy method of testing and using different versions of the popular Internet Explorer.