Another very useful plugin added to the Moodle plugins database is the Open badge factory plugin which allows you to issues open badges created in Open badge factory from Moodle, and display badges issued to users.
Open Badge Factory is a cloud platform that provides the tools your organization needs to implement a meaningful and sustainable Open Badges system.
With the Open badge factory plugin, you can issue Open Badges created in Open Badge Factory. To use the plugin, you need an account on https://openbadgefactory.com (You can register for free, see https://openbadgefactory.com/faq for details about different service levels).
You can download the open badges factory plugin from https://moodle.org/plugins/view/local_obf