Facebook Marketplace - Marketplace is a convenient destination on Facebook to discover, buy and sell items with people in your community.
Disciple - Grow, engage and monetise your community with Disciple community software. Get your own branded community platform on Web, iOS and Android
craigslist - craigslist provides local classifieds and forums for jobs, housing, for sale, services, local community, and events
Proboards - ProBoards is a host of free forums with customer service.
5miles - 5miles isn’t just a buying & selling app. It’s a way to become a better neighbor. Buy & sell used cars, furniture, electronics or offer services like beauty, auto repair, and home cleaning locally using the 5miles app.
Forumotion.com - Create a free forum : free forum hosting, free forum skins, templates editing, chatbox, RPG mod... Choose PhpBB 2 - 3, Invision or PunBB. Create forums now!