WizTree gives you more control over how you see your files, in addition to letting you learn more about them from one look. Developed by Antibody Software
License: Free
WinDirStat is an open-source disk usage statistics viewer that provides detailed directory statistics and a visual representation of disk usage, making it suitable for analyzing disk space in depth. WizTree, on the other hand, is known for its extremely fast scanning capabilities and real-time monitoring, focusing on efficiency and ease of use.