This is a skin for WIM addon.
Flat Panel was designed to be a simplistic and clean skin for WIM that implements the necessary features without taking too much screen estate. While WIM is a great addon, I always thought the default skin was too elaborate and took too much space without offering much in return. I like my UIs clean and straightforward and thus, Flat Panel was born. This skin is for you, if you believe the UI should deliver the information in clear and concise manner.
To install the skin, just install it like any other addon and then select the skin from WIM's options menu (under General > Display Settings). There are two different themes available. You can choose either of them in the WIM options menu.
The actual project development can be found at GitHub.