1)   StrongDisk Pro 3.0 StrongDisk Pro is the most proven and reliable on-the-fly encryption software exists on the market. It makes a plain hard disk into a data strongbox that can be accessed by its owner only. 2)   SilentVault Personal 1.0.5 A special encryption vault named "SilentVault" is created. User opens / locks this vault by simple log-in and log-out controls. Uses industry-standard strongest AES 256 encryption to hide data for security. Locked data is invisible in explorer.