Openbazaar - A free online marketplace to buy and sell goods / services using Bitcoin. OpenBazaar is a peer-to-peer ecommerce platform with no fees or restrictions.

craigslist - craigslist provides local classifieds and forums for jobs, housing, for sale, services, local community, and events

Etsy - Buy and sell handmade or vintage items, art and supplies on Etsy, the worlds most vibrant handmade...

Yclas - The Most Suitable Classifieds Website Platform No advanced knowledge needed to have a classifieds website ready to start immediately Simple way to start a

eBay - Buy and sell electronics, cars, fashion apparel, collectibles, sporting goods, digital cameras, baby items, coupons, and everything else on eBay, the world's online marketplace

OsClass - Open-source PHP classifieds script to create classifieds website within 3 minutes.