Online marketplace since 2005 Crossword Clue

 The answer to the crossword clue "online marketplace since 2005" is Etsy. It is a 4-letter word that can be used as a crossword clue. 

Etsy is an online marketplace where people can buy and sell handmade, vintage, and unique items. It was founded in 2005 and has since become one of the most popular online marketplaces in the world.

Etsy is a great place to find unique and hard-to-find items. It is also a great place to support small businesses and independent artists.