Woocommerce and wp-packages-update-server integration. Simple and powerfully! Licenses are created automatically after payment for the order. The plugin provides the ability to renew the license.
WP Plugin Update Server https://github.com/froger-me/wp-packages-update-server/
WooCommerce https://github.com/woocommerce/woocommerce
Plugin create additional settings for WP PUS plugin.