- GlassFish is an open source application server that provides Java EE capabilities including servlets, JSPs, EJBs and more. - GlassFish v3 adds modularity, embeddability and support for upcoming Java EE 6 specifications like Servlet 3.0 and JSF 2.0. - The demo showed how easy it is to deploy and run applications on GlassFish using the admin console and monitoring tools.