Roma aims to provide integration with the most advanced technologies in the market. Each module cooperates with the available modules using the common Aspect interface mechanism. An Aspect is a Java Interface describing the behaviour of a set of modules. Think to the Persistence Aspect: it defines the most common operation against persistent objects like: load, update, delete, query, etc.

All the modules and your business logic will collaborate with the Aspects in generic way using the interfaces. The Aspect implementation will worry about the rest. Continuing with the example above you can plug a JDO or JPA module as implementation of the Persistence Aspect to works with your repository in transparent way.

Each component is handled by the IoC container. By default Roma uses the Spring Framework.

Main available modules:

view-echo2	Web Framework Full Ajax GUI			persistence-datanucleus	Persistence Framework compliant with JPA 1 and JDO 2.2
view-janiculum	Web Framework Based on  XHTML 1.0, CSS2 and JSP			persistence-jpox	Persistence Framework compliant with JDO 2.1
logging	Logging module to log operation to console, file or DB			project-webready	Create an empty full working web project with basic modules already configured
workflow-tevere-engine workflow-tevere-gui	Tevere Flow module to integrate a workflow engine with Web Ajax editor			service-cxf	Service Module able to export any POJO as WebService
users	Users module to handle Users, Groups, Profiles, Logs and Permissions			reporting-jr	Jasper Reports module to generate Reports using Jasper Report technology
semantic-jena	Semantic framework to expose POJO in RDF format			chart-jfreechart	JFree Chart module to generate Graphs and Charts from POJOs
profiling-memory	Profile the execution of actions			admin	Admin module with several basic useful POJOs
messaging	Messaging module able to send and receive internal messages and mails using POP3 and SMTP protocols			scheduler-quartz	Scheduler module with GUI to handle events using CRON syntax or date basis
etl-xpath	ETL module to import/export data from/to POJO. Extremely configurable supports CSV and JDBC sources.			project-web	Create an empty web project
portal-solo	Portal like view			web-jetty	Jetty Servlet container: perfect for instant debug and running
designer	GUI to change ROMA form layout and positioning acting against annotations			translator-google	Able to translate strings automatically using Google Translator web service
workflow-pojo	Basic Workflow module working as a State Machine			project-simple	Create an empty project
monitoring-jmx	Monitoring module based on JMX technology: expose any POJO in JMX			monitoring-mx4j	Console to habdle JMX objects

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Romulus is the consortium created in 2008 and founded by the European Commission with the objective to improve the Roma Meta Framework and providing integration with the state of the art of technologies: "Domain Driven Design and Mashup Oriented Development based on Open Source Java Metaframework for Pragmatic, Reliable and Secure Web Development"