Moodwill is a free web app made by a nature lover. It provides high quality sounds of the nature online without requiring any download. Moreover, you can listen to any music you'd love to hear on top of the nature sounds for a better experience.
Free, high quality sounds, I JUST LOVE IT!
Headspace - Meditation made simple. Brilliant things happen in calm minds.
Noisli - Noisli is a fantastic background noise and color generator for working and relaxing. Online soothing ambient sounds like White noise, Rain and Coffee Shop.
Medito - 100% Free Meditation App that will improve your Mental wellbeing with the help of Guided Meditations, Breathing Exercises, Mindfulness Practices, Relaxing Sounds, and more.
MyNoise - Custom shaped online noise machines. Many Many generic sounds
Calm - Calm.com can help you reduce stress and increase calm.
zenmix.io - Ambient background sound generator