KDirStat is a graphical disk usage utility, very much like the Unix "du" command. In addition to that, it comes with some cleanup facilities to reclaim disk space.

SpiderOak provides an easy, secure and consolidated free online backup, storage, access, sharing & sync* tool for Windows, Mac OS X, and Linux (Ubuntu, Debian & Fedora). SpiderOak offers a different approach to o ...

WinDirStat is a disk usage statistics viewer and cleanup tool for Microsoft Windows (all current variants).You can also examine Network Drives very fast.Language for application AND help files can be set to Czech, Dutch, ...