craigslist - craigslist provides local classifieds and forums for jobs, housing, for sale, services, local community, and events
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.
Gumtree - Gumtree is the first site for free classifieds ads in the UK. Buy and sell items, cars, properties, and find or offer jobs in your area.
Facebook Marketplace - Marketplace is a convenient destination on Facebook to discover, buy and sell items with people in your community.
Oodle - Oodle is a web-based market of the millions of advertisement and classifieds.
ClassifiedsFactor - ClassifiedsFactor has done a phenomenal job in presenting their customers with an extremely easy to use classified ads site.