Afternic.com Domain name auction site with variety of services like domain news, appraisals, and chat. Recently acquired by Register.com. http://www.afternic.com/

TopComs Offering a selection of .com domains for auction, along with general domain information. http://www.topcoms.com/

eBay.com World's leading auction site has large selection of domains available. http://listings.ebay.com/aw/plistings/list/category3767/index.html

The Domain Exchange Offers free listings of domain names for sale. Has large quantity of domains listed for sale in their database. In addition it also has interesting features like new domain registrations, community, news and other resources. http://theDomainExchange.com/

Auction2.net UK based site that mostly caters buying and selling of domains with .co.uk and .com extensions. http://Auction2.Net/

Easy Name List Domain Auction site. Has categorized listings of domain names for sale. http://www.easynamelist.com/

BSV-online BSV aims to be Europe's biggest brokerage company for the trading of domain-names combined with a wide range of supporting services including our unique web-mail system. http://www.bsv-online.com/front.htm

Bids4Domains Allows to buy or sell domains at no extra cost. Free advice available. http://www.bids4domains.com/

Domain Names and Properties for Sale Displays domains with a unique description for each one. http://www.domaincrossing.com

Domain Nesteggs Specializes in domains for the verbal internet, virtual reality, robotics, and online voting. http://www.domainnesteggs.com