The best free white noise generator on the Internet.
Reference: http://www.simplynoise.com/

Learn more @ Wikipedia.

Instructions:
- Slide the orb
- Find comfort zone
- Enjoy auditory zen
Uses of White Noise:
- Aid Sleep
- Enhance Privacy
- Block Distractions
- Mask Tinnitus
- Configure Audio Equipment
- Soothe Migraines
- and more...
Learn more @ Wikipedia.