Arya License Manager integrates with WooCommerce to simplify the creation and management of software licenses.

Elite Licenser is a WordPress plugin for any types of product licensing. It also manages product updates, auto generates license code, built in Envato licensing verification system, full license control and more. It has full set of API, so you can handle it by other applications as well. One app handles license of all your products. You can handle any language (PHP, .Net, Java, Android, etc.). Also you can add licensing to more than one WordPress plugin or theme and it can be installed on same WordPress.

Sell software license key codes or pin numbers automatically using PayPal.

With support as WooCommerce serial generator for your sale and on your WooCommerce PDF Invoices You can create and generate serials and codes. Print them on your products boxes or manuals. Your customer can check if the code is valid on your website. The Premium allows you also to activate user registration and more. This allows your user to register them self to a serial number. Generate numbers and serial codes that can be validated on your site. It is a good plugin for small businesses that want an easy solution to create a large amount of numbers or serials and store them. It can for example be used to create numbers and serial codes for products and let users validate them on your site.