Sound

White noise and ambient sound tools. None of these is medical advice, and a sound machine is not a substitute for safer-sleep guidance.

myNoise
A web-based generator of customisable ambient sounds, including white, pink and brown noise, with a large free library.
Free to use on the web
A Soft Murmur
A simple free website that mixes rain, thunder, wind and other loops. Works in the browser, no account needed.
Free
Dark Noise
An iPhone and iPad ambient sound app with a dark interface and widgets. Check the App Store for the current price.
LectroFan
A family of electronic white noise machines from Adaptive Sound Technologies. This is a product site.
Rain Rain
A white noise and ambient sound app with a large catalogue of loops. Check the store listing for the current price.
Rainy Mood
A free website that plays a looping rain soundtrack, with an optional video of a rainy window.
Free
Simply Noise
A bare, free website that plays white, pink or brown noise from the browser.
Free
TMSoft White Noise
A long-running white noise app from TMSoft, with a lite edition and a paid version. Check the store listing for the current price.
YogaSleep (Dohm)
The maker of the Dohm mechanical sound machine, a long-standing hardware option for consistent fan-like noise.

When the list grows

One short email when we add to it. Nothing else.