Facebook Marketplace - Marketplace is a convenient destination on Facebook to discover, buy and sell items with people in your community.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
craigslist - craigslist provides local classifieds and forums for jobs, housing, for sale, services, local community, and events
Ticket Tribe - Sell tickets online with no fees per ticket
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.
pretix - pretix helps you to sell tickets for your event in an easy way. It supports multi-lingual events and provides a wide range of features