craigslist - craigslist provides local classifieds and forums for jobs, housing, for sale, services, local community, and events
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.
Bedpage - Bedpage is a classified ad posting a website that comes as the alternative to Backpage and offers almost all the major services to post for multiple categories.
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.
FreeAdsTime.org - Browse through the listed classifieds or post free ads now.
Copart - Online Live Vehicle Auctions - Bid & Win