Disk usage reports – JDiskReport
February 16th, 2010
In case you have wondered how to find out which files to delete to free up disk space, wonder no more. JDiskReport can easily visualize the disk usage of a directory tree with pie charts and other diagrams. Very useful for having a quick look at what is eating up the space, and since it supports Java Web Start, you don’t really need to install it if you have Java properly configured.

File age
The homepage has more screenshots for the curious…