| org.restlet.ext.atom | 
 Support for the Atom syndication and the AtomPub (Atom Publication Protocol) standards in their 1.0 version. 
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| org.restlet.ext.crypto | 
 Support for cryptography including Amazon S3 and Windows Azure client authentication. 
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| org.restlet.ext.fileupload | 
 Integration with Apache FileUpload 1.4 library. 
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| org.restlet.ext.freemarker | 
 Integration with FreeMarker 2.3 template library. 
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| org.restlet.ext.gson | 
 Integration with Gson 2.8. 
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| org.restlet.ext.guice | 
 Integration with Google Guice 4.2. 
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| org.restlet.ext.gwt | 
 Server-side integration with GWT 2.8. 
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| org.restlet.ext.html | 
 Support for the HTML (HyperText Markup Language) standard in its 4.0 version and above. 
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| org.restlet.ext.httpclient | 
 Integration with Apache HTTP Client 4.5. 
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| org.restlet.ext.jaas | 
 Support for JAAS authentication and authorization framework. 
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| org.restlet.ext.jackson | 
 Integration with Jackson 2.10. 
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| org.restlet.ext.jaxb | 
 Integration with Java XML Binding (JAXB) 2.4. 
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| org.restlet.ext.jetty | 
 Integration with Jetty 9.4 which is a new implementation of the
popular Jetty web server. 
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| org.restlet.ext.json | 
 Support for JSON representations. 
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| org.restlet.ext.odata | 
 Support for the OData web protocol. 
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| org.restlet.ext.osgi | 
 Support for OSGi. 
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| org.restlet.ext.rdf | 
 Support for the RDF parsing and generation. 
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| org.restlet.ext.servlet | 
 Integration with Servlet API 3.1. 
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| org.restlet.ext.slf4j | 
 Integration with SLF4J 1.7. 
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| org.restlet.ext.spring | 
 Integration with Spring Framework 5.2. 
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| org.restlet.ext.thymeleaf | 
 Integration with Thymeleaf 3.0. 
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| org.restlet.ext.velocity | 
 Integration with Apache Velocity 2.1. 
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| org.restlet.ext.xml | 
 Support for XML and XSLT representations. 
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