The document discusses the use of GlassFish for systems integration at Foundations Recovery Network, where it integrates a CRM system with a clinical EHR. It highlights the positive aspects of GlassFish, such as ease of installation, powerful JEE 6 annotations, and good NetBeans integration, while also noting areas for improvement, including logging setup and community support issues. Overall, GlassFish is presented as a viable alternative for smaller applications despite some drawbacks.