How to make a window transparent ?

Using Xneat you can set the level of details you want to see of the behind by right clicking on any window's title bar then selecting "Transparency" then select any value from 0% (stone) to 90% (glass). You can achieve this either by using the Transparency title bar item added by XNeat to the titlebar right click, as shown below

Or by middle click on the titlebar, see below.

Transparency with keep on top feature help you to speed up in your work by keeping frequently used applications on top while seeing behind. Transparency is very handy while working with many applications Notepad, Calc, Yahoo, MSN.. & more