| Name | Description | Type | Package | Framework |
| ClassEditor | Converts Strings to Class references for Spring. | Class | org.codehaus.groovy.grails.support | Grails |
| CommandLineResourceLoader | Loads locations starting with /WEB-INF from the Grails web-app directory. | Class | org.codehaus.groovy.grails.support | Grails |
| DefaultProxyHandler | Trivial default implementation that always returns true and the object. | Class | org.codehaus.groovy.grails.support.proxy | Grails |
| DevelopmentResourceLoader | Allows files references like /WEB-INF/grails-app to be loaded from . | Class | org.codehaus.groovy.grails.support | Grails |
| EntityProxyHandler | Methods specified to proxied entitiesSince:1. | Interface | org.codehaus.groovy.grails.support.proxy | Grails |
| GrailsByteArrayResource | Hacky version of the ByteArrayResource that implements the getURL() method, required for the resource to work with Spring's ServletContextResource. | Class | org.codehaus.groovy.grails.support | Grails |
| MetaClassChangeReporter | Simple class that reports when meta class changes and where (in what stack frame) those changes took placeSince:2. | Class | org.codehaus.groovy.grails.support.internal.tools | Grails |
| MockApplicationContext | Class | org.codehaus.groovy.grails.support | Grails | |
| MockFileResource | Mocks the behavior of a FileResource. | Class | org.codehaus.groovy.grails.support | Grails |
| MockResourceLoader | Loads from the file system if its not found on the classpath. | Class | org.codehaus.groovy.grails.support | Grails |
| MockStringResourceLoader | Loads Resources from Strings that are registered as Mock resources. | Class | org.codehaus.groovy.grails.support | Grails |
| NullPersistentContextInterceptor | A dummy persistence context interceptor that does nothing. | Class | org.codehaus.groovy.grails.support | Grails |
| ParentApplicationContextAware | Allows objects to be aware of the Grails parent application context. | Interface | org.codehaus.groovy.grails.support | Grails |
| PersistenceContextInterceptor | Sets up the persistent context before and after a Grails operation is invoked. | Interface | org.codehaus.groovy.grails.support | Grails |
| ProxyHandler | Interface that defines logic for handling proxied instancesSince:1. | Interface | org.codehaus.groovy.grails.support.proxy | Grails |
| SimpleMapResourceLoader | Simple implementation of the ResourceLoader interface that uses a Map to load resources. | Class | org.codehaus.groovy.grails.support | Grails |
| SoftThreadLocalMap | Creates a InheritableThreadLocal with an intial value of a Map. | Class | org.codehaus.groovy.grails.support | Grails |
| StaticResourceLoader | A ResourceLoader that loads resources from a statically defined base resource. | Class | org.codehaus.groovy.grails.support | Grails |