As of December 2015, BarterOnly.com and SwapTreasures.com let users trade and barter online. BarterOnly.com allows users to post items and services on the website and trade for items that they want. Users need to register for a free account before they can use this service.
SwapTreasures.com lets users post their unwanted items on the website and receive points for these items. The more popular their items, the higher the offers they receive in points. Users can choose which offer to accept, but they have to do it within 10 days of the offering. They can use their points to trade for items they want.