In Unix computing, CTWM (Claude's Tab Window Manager) is a stacking window manager for the X Window System in the twm family of window managers. It was created in 1992 by Claude Lecommandeur from the source code for twm, which he extended to allow for virtual desktops ("workspaces" in CTWM's terminology.) Features Features of the CTWM window manager include: Stacking windows Written in C Support for up to 32 virtual desktops Advanced icon management Animated icons and backgrounds Customizable 3d titles and borders Freely distributable under the MIT License Basic EWMH support (as of 4.0.0) Backwards-compatibility with twm. XPM and JPEG images References External links Free X window managers Software using the MIT license