Grid (App Store)

Grid (App Store) is a free mac tool for those who use their keyboard more often than their mouse. Grid allows you to move and resize windows on your screen with keystrokes instead of mouse clicks and movement. Grid (App Store) is free download from App Store. Grab it now before you must buy.

ResizeIt

ResizeIt is a easy to use image tool which allows you to resize multiple images simultaneously. You can also convert images files with this tool very well.