Workers are services that run on the API Server. Each worker provides functionality that extends the capability of iCM and your website.
The Authentication worker authenticates users against various providers and technologies, allowing them to log into your site using, for example, their Facebook, Google or LDAP credentials
The Email Worker allows you to send one or more templated emails via your chosen mailserver, you can include Google campaign and tracking data, and specify recipients for any failed or bounced messages.
There are four end point Library Workers, the ajaxlibrary, securelibrary, serverlibrary and remotelibrary. End points deployed to them can be called in your forms, workflow models, website templates and by third parties.