| Amazon.com Auctions | | Organized by category with search available. Also lists some items for Sotheby's. |
| Auction Fire | | Offers a variety of categories. Includes image hosting, consignment service, message board and fraud alerts. |
| Bid Monkey | | Includes books, electronics, coins, and computers. |
| Bid-Alot.com | | Offering listings for a wide variety of products. Includes information regarding photo uploads and registration. |
| Bid4Assets | | Offering jewelry, real estate, and personal property. |
| Bidera | | General merchandise sorted by category. Proxy bidding and bulk item uploading. |
| Bidville Auctions | | Offering a wide variety of products, includes a watchlist and image gallery. |
| Bidz.com | | Includes jewelry, antiques, art, coins, autos and electronics. |
| CQout | | Wide variety of products including arts, books, fashion, housewears and jewelry. |
| eBay | | International person to person auction site, with products sorted into categories. |
| eBid | | No fee online auctions with items sorted by category. |
| Epier.com | | Toys, collectibles, electronics, real estate and apparel listings. |
| General Services Administration Auctions | | U.S. government offers the general public the opportunity to bid electronically on a wide array of federal assets. Surplus, seized and forfeited assets are available for bidding. |
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