From Actual Tools:
Actual Transparent Window is an innovative Windows desktop enhancement which allows setting any level of transparency for any particular window on the desktop. With Actual Transparent Window it is easy to organize the simultaneously opened windows. You do not have to minimize and restore windows every time. Actual Transparent Window offers ordering to a fully customizable transparency levels that are saved individually for each window. Features include individual transparency rate, inactive window transparency, apply transparency effect while window is moved or is resized, toggle transparency or opaque window state by double click on title bar, and make transparency button.
What's new in this version:
Version 8.0.1 fixed issues with uninstallation did not work because of the "DLL not found" error.