ChestShop is a shop plugin developed for Spigot.
It has various functions such as Admin shop, though it is simple.
In addition, concepts such as consumption tax have been introduced, and you can use the consumption tax collected from players in various ways such as setting up public facilities!
Distribution page: https://www.spigotmc.org/resources/chest-shop-simple-and-easy-to-use-chest-shop-plugin.85881/