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.
Headspace - Meditation made simple. Brilliant things happen in calm minds.
Noizio - Feeling that the noise of the big city is too much for you to bear?
Stop Breathe & Think - Guided meditation for more mindfulness and compassion.
Rainy Mood - Rainy Mood is the world's most popular rain simulator. Sleep, study, and relax with the sound of rain.
Calm - Calm.com can help you reduce stress and increase calm.