Today only, May 22, 2012, Aptonic Limited has Dropzone in the Mac App Store for $1.99 (13.99 – 85% off).

Dropzone makes it faster and easier to get things done on your Mac. Drag a file onto the Dropzone menu item and your fully customizable grid of destinations flies smoothly out using core animation.Drop the file onto a destination and Dropzone will take care of the rest. Whether you’re opening an app, uploading a file or sharing your photos on Flickr. When sharing via FTP, Dropzone copies the URL for your upload to the clipboard ready for pasting into an email or instant message.