A file encryption program created specifically for the soul purpose of security. This program is completely free and open-source, but the sourcecode may only be distributed by Zinga, unless authorized.
Power Hasher is a program that allow you to get the hash code of multiple files at once, and export the results to a file, making easy for this file to be imported and the files checked. Currently it supports MD5, SHA1, SHA256, SHA384 and SHA512.