The IBM® WebSphere® Application Server Community Edition is a Java™ Platform, Enterprise Edition 5 (Java EE 5) server that is based on Apache Geronimo v2.1 and complies with the Java EE 5 specification (JSR 244). Like all Java EE 5 servers, it provides a platform for multi-tier enterprise applications, including support for:

Web Applications
• Java Servlet 2.5 (JSR 154)
• JavaServer Faces (JSF) 1.2 (JSR 252)
• JavaServer Pages (JSPs) 2.1 (JSR 245)
• JavaServer Pages Debug 1.0 (JSR 45)
• JavaServer Pages Standard Tag Library (JSTL) 1.2 (JSR 52)
Enterprise Applications
• Common Annotations for the Java Platform 1.0 (JSR 250)
• Enterprise JavaBeans (EJBs) 3.0 (JSR 220)
• J2EE Connector Architecture (JCA) 1.5 (JSR 112)
• JavaBeans Activation Framework (JAF) 1.1 (JSR 925)
• JavaMail 1.4 (JSR 919)
• Java Message Service API (JMS) (JSR 914)
• Java Persistence API (JSR 220)
• Java Transaction API (JTA) (JSR 907)
Web Services
• Implementing Enterprise Web Services (WSEE) 1.2 (JSR 109)
• Java API for XML Registries (JAXR) 1.0 (JSR 93)
• Java API for XML-Based RPC (JAX-RPC) 1.1 (JSR 101)
• Java API for XML-Based Web Services (JAX-WS) 2.0 (JSR 224)
• Java Architecture for XML Binding (JAXB) 2.0 (JSR 222)
• SOAP with Attachments API for Java (SAAJ) 1.3 (JSR 67)
• Streaming API for XML (StAX) 1.0 (JSR 173)
• Web Service Metadata for the Java Platform 2.0 (JSR 181)
Application Management and Security
• J2EE Application Deployment 1.2 (JSR 88)
• J2EE Management Model 1.1 (JSR 77)
• Java Authorization Contract for Containers 1.1 (JSR 115)