Email CHAOS 

It is compact, reliable and simple program for sending protected messages to friends, colleagues and bankers.
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CHAOS Self Extractor 

CHAOS Self-Extractor is the program that creates self-extracting chaos-files for Windows.
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WinZip 

Powerful, fast, easy-to-use Zip utility with AES encryption, support for most Internet file formats, Wizard and Classic interfaces, XP features, tight integration with Windows, E-mail support, including Zip and E-Mail from Explorer, and much more
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Instyler Ex-it! 

An adaptable development utility for creating self-extracting/-installing single .exe distribution files. It supports multi-language, user-definable dialogs for readme/license info, subfolders, file execution, temporary extraction and other extras
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Zipfusion 

A versatile zip self-extractor suitable for distributing files or programs. It can be used with any zip tools that create type 0/8 (stored/deflated) zip files e.g. WinZip (tm). End-user dialogs can be easily translated into other languages.
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