Its very popular which means many people use it and you can share your ideas and profiles with the community and friends. You can customize every single part of your UI to your liking. If you want to use other AddOns for specific features like Chat, ActionBars, NamePlates - you have to disable the ElvUI module for this feature first.
ElvUI is a full user interface replacement for World of Warcraft, which means it completely replaces the Blizzard default UI.ĮlvUI is not a collection of multiple addons, like some people may believe.