From TriSun Software:
1Tree Pro lets you quickly see all drives/directories/files size in 1 tree view, so as to let you to do the manual disk cleaning work easily. 1Tree Pro loads your local and network drives, folders and files with their sizes (sorted by size in descending order), and you can do some common operations for the checked resources in batch mode, such as Move to Recycle Bin, Permanently Delete and Move / Copy to Other Place. Also, it provides you with a few special commands (e.g. Get Full Path of Resource) for drives/files/folders. So, with 1Tree Pro, you can do the manual disk cleaning work easily. In fact, it is similar to UNIX/Linux du command, or you can think it is a GUI du tool for Windows. Key Features: Operate Resources in Batch Mode. Show Drives / Folders / Files Size. Sort Resources by Size in Descending Order. Intelligent Unit. Intelligent Decimal. Common Commands. Copy Full Path. Customizable Interface. 32 & 64-bit Applications in one Copy.