Sleep by Qukio is described as 'Sleep provides you with a variety of sounds to help you relax and sleep. You can select the amount of time you want the relaxing music to be played, after which the song will stop automatically, although you can also stop it on your own' and is an app in the Sport & Health category. There are more than 50 alternatives to Sleep by Qukio for a variety of platforms, including Android, iPhone, Online / Web-based, iPad and Android Tablet. The best alternative is A Soft Murmur, which is free. Other great apps like Sleep by Qukio are Tide (by Moreless) (Free), Noizio (Paid), Rainy Mood (Free) and Moszen (Free).
ANoise is a minimal ambient noise player to help you focus on your productivity! Just open the Ubuntu sound indicator and choose your noise: Coffee Shop | Fire | Forest | Night | Rain | Sea | Storm | Wind