This gives you access to unbreakable OTP encryption. You can encrypt to and from files or directly to the clipboard. Paste cipher-text directly into text documents. Generate real random keys with no more than a radio and a sound card.
When you need all your computers resources for yourself. LanBuster lets you easily turn on or off filesharing. Lanbuster runs in the system tray, and signals with the icon color whether the LAN has been disabled or not.