1)   PipeBoost 2.2.226
PipeBoost™ is an HTTP compression software that runs on Internet Information Services 4.0, 5.x, 6.0. It compresses static/dynamic content that is downloaded by a browser running on a customer or end user’s computer.

 2)   MetaCompress 2.1
MetaCompress packs requested content of a web site on-the-fly. This increases your site's accessibility for users who have a slow dial up connection and speed ups the loading of pages on your site in general.