RightClick is an application that doesn't get mentioned a lot, but it's still one of the coolest out there.  It allows you to customize your right-click menu and add all types of functions including DesktopX gadgets!

It's also skinnable, and we have many talented skinners that take the time to create matching RightClick skins to match WindowBlinds skin, but also ones who create original themes for it.  Here are some of my recent favorites.