A powerful yet simple to use dual-panel file manager with a built-in file splitter, folder synchronizer, image viewer, full-featured text editor and more. Supports Space Investigator. Evaluation version is fully functional. Free for 30 days.
Powerful security and access control utility for Windows 7/Vista/XP/2000/x64 that lets you hide or password-protect files and folders, as well as restrict access to other resources. http://www.winability.com/