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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RSP Zip Compressor OCX 

ActiveX OCX to compress , uncompress , delete , test and list zip files , can handle zip files with or without passwords , the control receive information about the execution using a xml like parser to avoid possible bugs and to make it easy to use
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Question Tools EditorSuite 

Question Tools EditorSuite is a fully-functional, free, integrated suite of e-learning tools used in 121 countries. Use it to create interactive online lessons, exercises and tests ... all without programming, scripting or HTML skills.
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m9P Zipper 

m9P Zipper is a file compression (zipping) and decompression (unzipping) utility. This tool, capable of up to 0.9 compression ratio, outputs a zipped file that is a mere shadow of the original one! Download this free full version (size ~2MB).
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WinZip Companion for Outlook 

WinZip Companion for Outlook makes it easy to zip your e-mail attachments, saving transmission time and disk space for both the sender and recipient. And, if your attachments are sensitive, you can easily protect them with advanced AES encryption.
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JustZIPit 

JustZIPit is a tiny, powerful, free ZIP tool. Replaces clunky interfaces with pure simplicity. Lean and mean with full ZIP-64 support!
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