You can select other programs in Add/Remove programs to see:

• How frequently the program has been used. Infrequently used programs might be good candidates for removal.
• How much hard disk space you will free up by removing the program.

According to the screen below, the selected program (Microsoft SQL Server 7.0) is used rarely on this machine, and deleting it would save 100 Megabytes of space on the hard disk.