Download.com - Provides a wide variety of software that you can download. This site is a part of C|NET. A description is provided for each item. Has a Business category.
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NONAGS A collection of 16 and 32 bit Windows software that has no nags, no time limits, no disabled features or any other tricks. While most of the software is Freeware, some of the packages are Shareware that meet the above requirements. The software packages have been reviewed and rated. One of the best sites when it comes to software to use on the Internet.
Shareware.com - Site with a huge number of downloadable shareware software programs.
ZDNet Software Library - There are over 10,000 files on this site that can be downloaded. Includes several categories of business applications. Most of these packages have been rated.