tile selected windows in different ways

 X-tile is an application that allows you to select a number of
 windows and tile them in different ways. Works on any X desktop.
 .
 Main features include:
  * Several tiling geometries
  * Undo tiling
  * Invert tiling order
  * Optional system tray docking and menu
  * Filter to exclude windows
  * Filter to include windows by default
  * Command line interface