Define flexible packaging and deployment scenarios that satisfy both Embedded/Standalone and Enterprise deployments.

Maven plugins can package the project as different deployment artifacts:

http://maven.apache.org/plugins/maven-ear-plugin/ JEE Enterprise Archive (EAR) file format
http://maven.apache.org/plugins/maven-rar-plugin/ JEE Enterprise JCA Resource adaptor Archive (RAR) file format
http://maven.apache.org/plugins/maven-ejb-plugin/ JEE Enterprise Javabean (EJB) file format
http://maven.apache.org/plugins/maven-war-plugin/ JEE Enterprise Web Archive (WAR) file format
http://maven.apache.org/plugins/maven-assembly-plugin/ Custom packaging
http://maven.apache.org/plugins/maven-dependency-plugin/ Custom packaging

Examples of deployment scenarios/packaging:

http://jackrabbit.apache.org/deployment-models.html
Apache Jackrabbit deployment models - including embedded, Shared J2EE Resource, and Repository Server accessble through RMI over JRMP or IIOP or WebDAV.

http://docs.jboss.org/seam/2.1.0.GA/reference/en-US/html/configuration.html
JBoss Seam framework packaging scenarios:
29.3. Configuring Seam in Java EE 5
29.5. Configuring Seam in Java SE, without JBoss Embedded
29.6. Configuring Seam in Java SE, with JBoss Embedded