Xfwm4
Xfwm4 is the default window manager for the Xfce desktop environment, responsible for managing the placement, appearance, and behavior of application windows in a graphical user interface. It provides features like window decorations, virtual desktops, compositing effects, and keyboard shortcuts to enhance user productivity and customization. As a lightweight and efficient tool, it integrates seamlessly with other Xfce components to deliver a cohesive desktop experience.
Developers should learn Xfwm4 when working on or customizing Xfce-based Linux distributions, as it allows fine-tuning of window management for improved workflow efficiency, such as setting up custom keybindings or enabling compositing for visual effects. It is particularly useful for system administrators, desktop environment developers, and users seeking a stable, resource-friendly alternative to heavier window managers like Compiz or KWin, especially on older hardware or minimal setups.