abs package:xmonad-contrib

Absolute value.
Create a box with only absolute measurements. If the values are negative, the total remaining space will be added. For sizes it will also be added for zeroes.
keysAbsResizeWindow (dx, dy) (ax, ay) changes the width by dx and the height by dy, leaving the screen absolute point (ax, ay) fixed. For example:
keysAbsResizeWindow (10, 10) (0, 0)   -- enlarge the window; if it is not in the top-left corner it will also be moved down and to the right.
interface to the X11 library function XGrabServer().
Given a list of keybindings, turn the given KeySyms into actual KeyCodes and prepare them for grabbing.
interface to the X11 library function XUngrabServer().
Alignment of tabs when they go horizontally.
Configuration data for the "tiled tab groups" layout
A layout modifier that uses the provided shrinker and theme to add tabs to any layout.