NewsShark 

Meet NewsShark, designed from the ground up for getting LARGE files like MP3, RAR, and ZIP from usenet. Includes yEnc support!
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httpZip 

Port80's httpZip IIS Web server module reduces bandwidth costs, improves site speed, and better leverages server resources. Powerful HTTP compression reduces page sizes for most common file types and automatically addresses browser incompatibilities.
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Back4Win 

Includes Mozilla Firefox and Thunderbird backup. It's safe and easy to use. Industry standard ZIP compression assures your data will be accessible regardless of which PC operating system, or version you are using.
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ISAPIZip 

ISAPIZip is an ISAPI plugin which integrates directly into IIS and other web servers to increase the performance while reducing the bandwidth required to serve high quality content.
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BigSpeed Zip OCX 

Internet-enabled Zip compression component with file and text searching capabilities.
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Active Backup Expert 

An easily mastered tool maintains backups of files in the zip or cab format on hard and removable disks, in a LAN or WAN. Use import and export features to synchronize folders on two PCs. Other features include support for Command-line, SFX-backups.
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