Clean Temporary Places - Clean Temporary Places is a cleaning tool that lets you clean temporary files to free up some space on the disk and get rid of disk error, disk defragmentation, etc.

WinDirStat - WinDirStat is a disk usage statistics viewer and cleanup tool, inspired by KDirStat.

Sweeper - KDE is an open community of friendly people who want to create a world in which everyone has control over their digital life and enjoys freedom and privacy.

TreeSize - TreeSize tells you where precious disk space has gone to.

OS Cleaner - Clean your Operating System from all the garbage wasting space that slows the performance of your...

Baobab Disk Usage Analyzer - Baobab Disk Usage Analyzer is one of the light-weight disk analyzers that offers you a chance to view and monitor the disk usage & folder structure without any hassle.