IAAI - IAA Buyer Salvage Auctions app allows you to find your favorite car by browsing an extensive collection or by looking for it in specific auction lists.
craigslist - craigslist provides local classifieds and forums for jobs, housing, for sale, services, local community, and events
GoDaddy Investor - GoDaddy Investor app allows the user to take part in domain auctions to invest in pre-owned domains without much of a stretch.
classified-ads - Classified Ads is a web based free to use ad viewing and posting system that can be accessed from any part of the world to view the local ads of any area and location.
Copart - Online Live Vehicle Auctions - Bid & Win
Geebo - Geebo is an online classified ad provider of employment, real estate, vehicles, local artists, house for sale, apartments for sale, and likewise many other types of advertisement for free.