ScramDisk creates an envelope on your hard drive that can be mounted as a virtual disk when you enter the correct password. All data written to this disk is encrypted and can't be acccessed without the password. This handy free utility will secure your PC's contents against unwanted prying eyes while you're away. Think of it as a MasterLock for your computer. It's only 52 kilobytes in size.
Service is available in English, French and German.
A Mac version is promised in the near future. Here's a new free, anonymous Web surfing service that is easy to use. There are also good FAQs here on cookies, JavaScript and security issues. If you're worried about snoops taking a peek at your message, then try this free service. ZipLip uses advanced SSL encryption techniques that protect your confidentiality.