What are some alternatives?
When comparing Openbazaar and eBay, you can also consider the following products
Amazon - Online shopping from the earth's biggest selection of books, magazines, music, DVDs, videos, electronics, computers, software, apparel & accessories, shoes, jewelry, tools & hardware, housewares, furniture, sporting goods, beauty & much more
Needora - Get what you need, sell what you don't.
Etsy - Buy and sell handmade or vintage items, art and supplies on Etsy, the worlds most vibrant handmade...
Aliexpress - AliExpress is the largest e-commerce site in the world!
craigslist - craigslist provides local classifieds and forums for jobs, housing, for sale, services, local community, and events
WooCommerce - A freely available eCommerce plugin that enables shop facilities on your WordPress website. Functionality enabling extensions & beautiful themes available.