Here are the top 5 websites in the USA where you can post free classified ads:

1. goroo Classifieds

• Overview: goroo Classifieds is one of the most well-known classified ads websites in the USA. It allows users to post ads in various categories, including jobs, housing, for sale, services, and community.
• Features: Simple interface, wide reach, local and national listings.
• Website: us.gorooclassifieds.com

2. Facebook Marketplace

• Overview: A popular platform for buying and selling items within your local community. It’s integrated with Facebook, making it easy to reach a large audience.
• Features: Easy-to-use, local targeting, social media integration.
• Website: facebook.com/marketplace

3. Oodle

• Overview: Oodle aggregates listings from various sites and allows users to post ads for free in categories such as vehicles, real estate, jobs, and pets.
• Features: Aggregated listings, local focus, easy to navigate.
• Website: oodle.com

4. Free Classified Ads Online

• Overview: A free classifieds website where you can post ads in a variety of categories, including real estate, jobs, pets, and services.
• Features: No registration required, simple posting process, wide range of categories.
• Website: classifiedads.com

5. Hoobly

• Overview: Hoobly is a classified ads website that focuses on pets, but also allows listings for various other categories such as real estate, vehicles, and services.
• Features: Free to post, especially popular for pet listings, easy to use.
• Website: hoobly.com