craigslist - craigslist provides local classifieds and forums for jobs, housing, for sale, services, local community, and events
Arcadier Marketplaces - Your vegan skincare needs, for us, by us
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.
Sharetribe - Build your online marketplace business. You don't need a developer.
Facebook Marketplace - Marketplace is a convenient destination on Facebook to discover, buy and sell items with people in your community.
Pattern by Etsy - Turn your Etsy shop into your own website