Silver Key
A freeware program that encrypts files using the industry-standard AES cipher and produces self-extracting encrypted files, which can be safely sent over the Internet. No crypto software needs to be installed on the receiving side.
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Kryptel Lite
Kryptel Lite is a drag-and-drop file encryption program, providing easy-to-use and secure data protection. The program is a one-click solution and can process any number of files or folders in a single operation.