1)   WinMLS 2000 3
Perform audio, acoustical and vibrational measurements user-friendly, accurate and flexible using a sound card. WinMLS2000 is widely used by pros. Now low-cost versions allow the amateur to perform professional loudspeaker and room measurements.

 2)   BirdSounds 1.0.2
BirdSounds is a screen saver that anyone who likes birds should love. It chooses from 35 recordings of bird calls to play for you to give you a virtual stereo environment full of birds, along with pictures of birds on the screen.