GrandPerspective is a free Open Source app for Mac OS X that scans your hard disk and produces a graphical map of how space on the drive is being used. I decided to clean up my drive today, and decided to check if a newer release than the 0.9.9 version on my Mac was available. And, yep, it was last updated in September 2009. You can find the current release at...

GrandPerspective 1.1