Software that allows you to protect files and folders, offering different levels of security to ensure privacy and prevent unauthorized access.
Portable version of the popular disk analysis software WinDirStat for Windows.
Tool that allows you to locate and remove duplicate files.
Utility that allows you to calculate the MD5/SHA1/CRC32 hashes of your files.
Graphically observe the usage of your HD.

Small utility that allows you to split files into parts.