Noizio 2.4.1 – Cancel out noise around you and focus on what is important

Noizio is an app that will drown out the noise of the street and allow you to concentrate on the work at hand, increasing your productivity. On the other hand, it can also set the mood for a romantic evening or lull you to sleep, ensuring that you will dream soundly all night long. An ambient sound equalizer app for creating a mixture of ambient sounds available for OS X.
 
Features

15 enchanting ambient sounds;
Ease of choosing and blending the ambient sounds into a mixture that will perfectly fit your mood;
Minimalistic design;
Completely free of charge with no hidden ads;
Sounds are played in a seamless loop;
Develop for Yosemite;
Option to automatically launch the program after you turn on your Mac.
Ready for your MacBook Pro (support Retina display)

15 Ambient sounds:

October Rain, Coffee House, Thunderstorm, Campfire, Winter Wind, Sea Waves, River Stream, Summer Night, Sunny Day, Deep Space, Sailing Yacht, Inside Train, On The Farm, Wind Chimes, Blue Whales