The GNOME project provides two things: The GNOME desktop environment, an intuitive and attractive desktop for users, and the GNOME development platform, an extensive framework for building applications that integrate into the rest of the desktop.
Metacity is the default window manager for the GNOME desktop environment. Its focus is on simplicity and usability rather than novelties or gimmicks. Its author has characterized it as a "boring
... [More] window manager for the adult in you. Many window managers are like Marshmallow Froot Loops; Metacity is like Cheerios." [Less]
Openbox is a standards compliant, fast, light-weight, extensible window manager.
Openbox works with your applications, and makes your desktop easier to manage. This is because the approach to its
... [More] development was the opposite of what seems to be the general case for window managers. Openbox was written first to comply with standards and to work properly. Only when that was in place did the team turn to the visual interface.
Openbox is fully functional as a stand-alone working environment, or can be used as a drop-in replacement for the default window manager in the GNOME or KDE desktop environments. [Less]
IceWM is a window manager designed for speed, usability, and consistency. It is able to emulate the looks of Motif, OS/2, and Windows, and allows you to have a customizable look using pixmaps.