Advanced Wallpaper Changer is a high quality, free utility to manage your wallpapers. The program allows changing your desktop wallpaper at adjustable periods of time or on every Windows start up. Wallpaper images can be automatically changed in serial or random order. All popular file formats supported: JPG, BMP, GIF, etc. You can even set your own "playlists". Download and use it now.

BioKeyLogon - add keystroke dynamics authentication to standard Windows authentication procedure during logon. It is based on the fact that different people type in uniquely characteristic manners. nioKeyLogon allows you to increase Windows password protection and works in a hidden mode. With BioKeyLogon, it's very easy to create new biometric passwords and control local system users.