In this chapter you have learned that Alfresco could be used as an embedded repository or external content repository. Alfresco provides open standards based protocols to integrate with external applications. Some of the application integration examples are mentioned in this chapter. Because of open source, you could reuse many of them for your business applications saving time and money. You can refer http://docs.alfresco.com/4.0/index.jsp for various integrations. In next chapter you will learn about using Alfresco share for collaboration features. You will see various use of site for collaboration with help of WIKI, Blog, and many other features.