Screenshots. Firebug. Fivesecondtest. Silverback — guerrilla usability testing. Connection Test. IETester / HomePage. IETester is free.To support the projectyou can make a donation : or you can translate it.
IETester is a free (both for personal and professional usage) WebBrowser that allows you to have the rendering and javascript engines of IE11, IE10, IE9, IE8, IE7 IE 6 and IE5.5 on Windows 8 desktop, Windows 7, Vista and XP, as well as the installed IE in the same process.