DaisyDisk is a System Utilities software developed by DaisyDisk Team. After our trial and test, the software is proved to be official, secure and free. Here is the official description for DaisyDisk:
Edit By BS Editor: With DaisyDisk you can free up disk space by quickly finding and deleting big, useless files. The program scans any mounted disk and displays it on the sunburst map, where segments mean files and Folders, proportionally to their sizes. The map is easy to read and navigate. You can also quickly preview any file and reveal it in Finder to delete. you can free download DaisyDisk 1.3.5 now.