An AutoHotkey script to get Linux-style window dragging and resizing.
Alt + Left Clickto move.
Alt + Middle Clickto resize. Resize drags the nearest corner of the window.
To change the keybindings, just update the key expresions according to the AutoHotkey docs (see http://www.autohotkey.com/docs/KeyList.htm). If you change the mouse buttons, remember to update the references at the top of the loops.
Script is based on the following: