No specific info about version 2.1. Please visit the main page of Window Tidy on Mac Informer.
Folder Tidy will clean up your messy folders with one click.
This program helps you resize and arrange windows on your screen.
Move, arrange, and resize windows with a menu-bar icon or keyboard shortcuts.
This app lets you move and resize your Mac OS X windows with your keyboard.
Arrange and resize your windows with custom layouts.