LXDE is one of the lightest graphical environments you can use for your Linux desktop. This is how to add an app launcher panel in LXDE so it doesn’t consume many resources.
If you’re a Gnome 3 user with dual monitors, you only get one screen with a taskbar and workspace switcher. Here’s how to make it appear on both monitors.
XFCE is a great desktop manager that is both lightweight and customizable. If you are tired of Gnome or KDE and are planning to switch to XFCE, this tutorial will show you how to customize the XFCE desktop.