Etsy is an online crafts marketplace that allows people to buy and sell handmade or vintage items, as well as art and supplies. It was founded in 2005 and has since become one of the most popular online marketplaces for handmade goods. Etsy provides a platform for crafters and artists to showcase their work and reach a larger audience. It also offers tools to help sellers manage their businesses, such as payment processing, shipping, and customer service.