Unfortunately, choice often leads to complexity. Not only is this the case with technology in general, but it is especially true in the world of Unix and window managers. Because so many different window managers are available, we can't cover them all in granular detail. We can, however, take a quick look at some of the more popular window managers so that you will understand any major issues that may pop up when using them.
It is up to you to choose which window manager suits your tastes and needs. Once you have an idea of which manager you need and some experience using it, it will become increasingly easy for you to work in that manager in the future. Besides twm, other common window managers include the following: