FMS File Size is an easy-to-use disk space analyze tool to scan your whole disks or folders and show various kinds of detail reports to you, such as Empty Folders Report,Empty Files Report,The Largest Files Report,The Oldest Files Report,even Files Never Used Last Year Report,etc.

• FMS Empty File Remover 2.1
  Empty File Remover is a tool to automatically check and delete empty files on your disk.

• Storage Triage - Professional 7.2.5
  StorageTriage is a utility that will size and analyze the content of your directory space