Gramps - Research, organize and share your family tree with Gramps genealogy software.

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

Ancestry - Discover your family history and start your family tree.

WizTree - WizTree quickly finds the files and folders using the most space on your hard drive. It scans the MFT (Master File Table) instead of crawling the entire disk which makes it very fast.

MyHeritage - MyHeritage is a family-oriented social network service and genealogy website.

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