Based on the amazing Job by <a title="Nathan's Homepage" href="http://yergler.net/" rel="nofollow ugc">Nathan R. Yergler</a> and his <a href="http://wiki.creativecommons.org/WpLicense" rel="nofollow ugc">WP-Licencse Plugin</a>. This plugin Alows users to assign a Creative Commons license to content on a per post basis (or no license at all)
This plugin was made possible thanks to <a href="http://www.socialbrite.org" rel="nofollow ugc">SocialBrite</a>
The license chunk on the posts is wrapped in a DIV with class: wp_license

WP License reloaded

Per post Creative Commons Licensing (Ideal for multiple authours / licenses blogs)

Ridhwan Ahsan

PadSync connects WooCommerce with Paddle Billing so you can sell products through Paddle, sync pricing, track transactions, and generate license keys from WordPress.
Features include:
<ul>
<li>Paddle Billing checkout integration for WooCommerce</li>
<li>Webhook handling for Paddle transaction events</li>
<li>Automatic license key generation and storage in custom tables</li>
<li>WooCommerce product integration with a Paddle checkbox and PadSync product tab</li>
<li>Paddle price sync from the WooCommerce product editor</li>
<li>Admin screens for products, transactions, licenses, generators, and subscriptions</li>
<li>Customer account downloads and subscriptions views</li>
<li>Printable license certificate output</li>
</ul>
Important note: This plugin is an independent integration and is not affiliated with or endorsed by Paddle.
This plugin requires WooCommerce and depends on Paddle as an external payment and subscription platform.
<h3>External Services</h3>
PadSync communicates with Paddle to provide payment processing, hosted checkout, subscription lookups, product sync, and transaction sync features.
<ul>
<li>Service name: Paddle Billing</li>
<li>Service purpose: to create checkout transactions, open Paddle-hosted checkout, sync Paddle products and prices from WooCommerce, fetch transaction and subscription details, and receive webhook notifications about payment events.</li>
<li>What this plugin sends: customer email address, WooCommerce order ID, order total, currency, product or price details, and transaction identifiers when a checkout, sync, or lookup action is requested by the store owner or customer.</li>
<li>When data is sent: when a customer reaches the WooCommerce order payment page, when checkout is finalized, when an admin syncs products or prices, when subscription or transaction data is fetched from Paddle, and when Paddle sends webhook events back to the site.</li>
<li>Remote domains used by the service: <code>api.paddle.com</code> and <code>sandbox-api.paddle.com</code> for API requests, and Paddle-hosted webhook delivery back to your WordPress site.</li>
<li>Terms of Service: https://www.paddle.com/legal/terms</li>
<li>Privacy Policy: https://www.paddle.com/legal/privacy</li>
</ul>

GRT Billing Bridge

Paddle Billing integration for WooCommerce with license keys, synced products, transactions, and customer dashboards.

WP License reloaded vs GRT Billing Bridge