Audacity is a wonderful software to record, create, manipulate, and visualize sound. Is one of our main analytical tools.
Websites and Blogs About Sound Making
Everydaylistening is a great blog about sound art. It has lots of installations and instruments to draw inspiration from.
Oddmusic has a long list of very original musical instruments.
Artists and Installations
This is really at the intersection of art and science, it shows how a complex sound can be decomposed into many simple sounds.
This is a million instruments in a little box.
Spectrogram (for chrome)
Signal Greater (for chrome)