Microsoft makes a set of Integration Packs available to integrate Orchestrator with other technologies in your environment, allowing you to expand and create automation solutions for your needs.
Here's a list of Integration Packs that are available to you freely at Microsoft:
System Center 2012 Integration Pack for Azure
System Center 2012 Integration Pack for Active Directory
System Center 2012 Integration Pack for Configuration Manager
System Center 2012 Integration Pack for Data Protection Manager
System Center 2012 Integration Pack for Exchange Admin
System Center 2012 Integration Pack for Exchange User
System Center 2012 Integration Pack for FTP
System Center 2012 Integration Pack for Operations Manager
System Center 2012 Integration Pack for REST
System Center 2012 Integration Pack for Service Manager
System Center 2012 Integration Pack for SharePoint
System Center 2012 Integration Pack for Virtual Machine Manager
As expected, the other System Center family products are included...