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

Elite Licenser Lite is a plugin for licensing, updates, and Envato verification. It supports APIs and manages licenses for plugins, themes and apps.

{eac}SoftwareRegistry Distribution SDK for the Software Registration Server - Implementing the Software Registry SDK Package.

It is an add-on of Elite Licenser also WooCommerce. So you must need main app (Elite licenser) to use it.

Enwikuna License Manager is a great and simple solution to easily sell and manage licenses through your WooCommerce store.

Efficiently sell and manage software license keys / codes on your WooCommerce webshop

The easiest way to sell digital products and manage licenses with WooCommerce.

"License For Envato" is a Envato theme & plugin license management Software.