Marketplace is an app for your Unturned server where players can sell their items or buy them from others. You can also cretate products that players can buy with the server in-game currency (Uconomy or AviEconomy).
There are two parts of this plugin
- Website app - All UI, api and database
- RocketMod plugin - MarketplacePlugin (has to be purchased, costs $25)
You can find install instructions for both website and plugin in the wiki