WooCommerce - Name your price v2.8.3
Allow customers to define the product price. Also useful for accepting user-set donations. Let Customers Pay What They Want With Name Your Price. Name Your Price can be applied to simple, subscription, variable and bundled products at present. Support for variable and bundled products requires WooCommerce 2.1 or greater. The Name Your Price plugin lets you be flexible in what price you are willing to accept for selected products. You can use this plugin to accept user-determined donations or to take a new approach to selling products. You can suggest a price to your customers and optionally enforce a minimum acceptable price, or leave it entirely in the hands of the customer.