Noizio is the minimalistic background sound equalizer for Mac OS X, that will increase your working productivity or ability to relax.

A better way to manage your icons.

Bartender lets you organize your menu bar icons, by hiding them, rearranging them, show hidden items with a click or keyboard shortcut and have icons show when they update.

Moom makes window management as easy as clicking a mouse button—or using a keyboard shortcut, if you're one of those types of people. With Moom, you can easily move and zoom windows to half screen, quarter screen, or fill the screen; set custom sizes and locations, and save layouts of opened windows for one-click positioning. Once you've tried Moom, you'll wonder how you used your Mac without it.