9e2d0a54_Linux_Desktops_Window_Managers__Design_Goals
[Desktop/Window Manager] IceWM [Description] Hybrid window manager and desktop manager [Based On] Simple menu and taskbar design [Advantages] Fast and easy to make system-wide configuration changes [Disadvantages] No way to make desktop icons, requires additional software for some features [Design Goals] 
Speed and simplicity
PLABO: A Sampling of Linux Desktops/Window Managers
Design Goals