Etymonix MPEG-2 Video Codec 

Professional-quality MPEG-2 I-frame software-only Video for Windows codec. Preserves video quality while providing better compression than lossless solutions. Ideal for video editing. There is no logo overlay in the registered version.
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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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NXPowerLite 

NXPowerLite can reduce the size of your PowerPoint files by over 90%. It's fully customizable, allowing you to choose the ideal balance between compression and quality. This free, fully functional trial version will compress up to 10 presentations.
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BigSpeed Zip OCX 

Internet-enabled Zip compression component with file and text searching capabilities.
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IIS Accelerator 

ISAPI filter for high performance HTTP Compression and Content Optimization, Whitespace Removing, Image Optimization, Image Re-compression and much more. Makes Web sites up to 4-times faster. Available for all IIS Web servers.
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ldol 

Ldol image converter/compressor console application for users and specialists. Special purpose is to introduce L* Data Compression Methods via appropriate L* files, as well as to take info or to make conversions among usual image files.
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