IceWM

IceWM is a lightweight, open-source window manager for the X Window System created in 1997 that prioritizes speed, simplicity, and user control through keyboard and mouse management. It features a taskbar, multiple workspaces, customizable themes (over 450 available), and is widely available across Linux distributions and BSD systems. The latest version is 4.1.0, with comprehensive documentation and support for multiple languages available on GitHub.