This article is from the eBay FAQ, by William B. Shaw firstname.lastname@example.org with numerous contributions by others.
If you intend to sell in any volume on eBay, a number of selling tools can
greatly improve your organization and reduce your time spent managing your
burgeoning auction business. Here is a brief list of tools and services:
Mister Lister. Ebay's free bulk listing tool.
Auction Trakker. Complete auction management and listing tool.
Shooting Star. Intelligent Auction Management Software.
Auction Watch. The Complete Sales Management Solution.
ChannelAdvisor. Consumer marketplace management services and technology.