ecommerce-guide.com:
Bargainland was one of eBay’s highest volume sellers, reaching nearly 30,000 concurrent auctions in 2007. Many will remember eBay member Bargainland for its no-reserve, 99-cent as-is auctions.
Everything from dog toys to kitchen furniture and eighteen-wheelers were listed by this eBay user in an auction format starting at 99 cents.
Bargainland CIO Paul St. James told [...]

FreePressReleases.co.uk:
MadBid.com, a new internet-based auction platform that allows consumers to bag a bargain on new retail goods, today announced their official launch in the UK.
MadBid.com’s new online auction offers users the opportunity to snag premium retail products – ranging from gadgets such as iPods, mobile phones and laptops to lifestyle products such as holidays, games [...]

Online auction site OZtion announced a 50% increase in sales for May, thanks to eBay decisions to restrict payment via Paypal only, on its Australia site. OZtion is a Melbourned-based auction site.
Co-founder Philip Druce happily reported on SmartCompany:

28,000 new members have joined since the last 6 weeks,
number of members now at healthy figures 275,000.
value [...]

Facebook is a social utility that connects people with friends and others who work, study and live around them. As a Facebook user, I have begun to enjoy using it. Some people even use Facebook to sell some junks online. But I haven’t been experimenting on that.
If you feel like getting rid of some [...]

CNN reports today that Wal-Mart, the world’s largest retailer, has launched an online classified advertising site, a move that opens a broader range of shopping to Wal-Mart’s Internet customers.
Wal-Mart Online Classified is run through Oodle.com, and links to Oodle’s online offerings. Wal-Mart Classied Advertising is expected to be a free and community-based place where [...]

Shopping Ads or previously know as Auction Ads is another great way to make some money on eBay without having to buy and sell anything.
What you need to do put the eBay ads on your website or blog for a certain keywords. For example, if you put your ads on a page about Gucci [...]

Many would like to sell their items through Amazon mainly due to its credibility as a world leader. Major reason for this is the huge web traffic to Amazon. And it doesn’t cost you a penny to sell on Amazon, that is until your items get sold.

Selling handmade arts and crafts on eBay is a big business but looks like rival Etsy.com is coming on strong.
The advantage of Etsy over eBay is that it is specialized and you can search only handmade items by category.
They have grown so much over the years with 150,000 sellers in 171 countries, and [...]

90% of them do not charge any fees for selling. Check them out:

Trading Post www.tradingpost.com.au - publishes online classified advertisements for the sale and provision of goods and services, including motor vehicles.
Bid Monkey www.bidmonkey.com - “BidMonkey came about from a group of very determined monkeys who were tired of paying the high costs of listing [...]

Consider these viable eBay alternative marketplaces for selling your items online:

www.overstock.com Overstock is definitely picking up the slack as eBay sellers leave and look for a heavyweight alternative. They are offering good deals, making them a really viable alternative to eBay.
www.webidz.com WeBidz is openly making a bid to become a viable eBay alternative. Its website [...]