AltPlusTab

In the eventuality that you need to keep several applications opened while you are working so that you can access them effortlessly whenever you need, then there is a good chance that you already know how to switch between programs quickly using the ALT-TAB hotkeys.
AltPlusTab is a lightweight piece of software that allows you to enhance the appearance of the ALT + TAB functionality so that it matches your work style and preferences better.

Comes with a sleek and streamlined interface

Since it is portable, the program does not require installation per se, but rather you can decompress the archive in any desired location on your local drives. Afterwards, you can access it and make the necessary modifications without any further configuration.
The utility comes with a clean and user-friendly interface that is unlikely to give you any troubles. To put it simply, the UI consists of a relatively small main window that displays the available options for modifying the appearance of the ALT-TAB functionality.

Allows you to hide the background window

As previously mentioned, the idea behind the application is to provide you with a simple method of changing the looks of the standard program switcher in Windows. Therefore, you will be happy to learn that you can alter the background dimming as well as the opacity of the strip that features the thumbnails of the active windows.
A further noteworthy feature is that you can hide the background windows and display the wallpaper that you are currently using for your desktop. Moreover, in case you change your mind or just do not like the new looks, then you can revert the modifications by accessing the Default options.

A tool that improves the appearance of ALT-TAB functionality

All in all, AltPlusTab is a handy utility that addresses users who are constantly relying on the classic program hotkey switcher in Windows, but who wanted to make some modifications to improve its look and feel.