Noise Level Monitors

Calmness Counter

http://www.ictgames.com/calmCounter.html

Traffic Light Flash File

http://www.primaryresources.co.uk/other/flash/traffic.swf

Bouncy Balls

http://neave.com/bouncy-balls/

App - Too Noisy (FREE)

http://toonoisyapp.com/

App - Digital Sound Meter (FREE)

https://itunes.apple.com/us/app/digital-sound-meter-free/id333185568?mt=8

Decibel 10th (FREE)

https://itunes.apple.com/us/app/decibel-10th/id448155923

App - SoundMeter (19.99)

http://www.faberacoustical.com/ios_apps/soundmeter/