Restly is described as 'provides a number of tools to help you get to sleep. Male and female voices will guide you through the journey of falling asleep in 2 minutes. Relax your mind and body' and is an app in the Sport & Health category. There are more than 50 alternatives to Restly for a variety of platforms, including Android, iPhone, iPad, Online / Web-based and Android Tablet. The best alternative is A Soft Murmur, which is free. Other great apps like Restly are Tide (by Moreless) (Free), Noizio (Paid), Rainy Mood (Free) and Relaxio White Noise Generator (Freemium).
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