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

PhotoTime - Automatic face sorting & keywords tagging for your photos

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

Piwigo.org - Manage your photo collection with Piwigo. Piwigo is open source photo gallery software for the web. Designed for organisations, teams and individuals.

SpaceSniffer - SpaceSniffer is a freeWare (donations are welcome) and portable tool application that lets you understand how folders and files are structured on your disks.

Facial Recognition by FB - Get notified if someone tries to use your photo on Facebook