| Name | Description | Type | Package | Framework |
| IndyGuardsFiltersAndSignatures | This class contains guards, runtime filters and MethodType signatures used by indy. | Class | org.codehaus.groovy.vmplugin.v7 | Groovy |
| IndyInterface | Bytecode level interface for bootstrap methods used by invokedynamic. | Class | org.codehaus.groovy.vmplugin.v7 | Groovy |
| IndyInterface .CALL_TYPES | Class | org.codehaus.groovy.vmplugin.v7.IndyInterface | Groovy | |
| IndyMath | This class contains math operations used by indy instead of the normal meta method and call site caching system. | Class | org.codehaus.groovy.vmplugin.v7 | Groovy |
| Java5 | java 5 based functionsAuthor:Jochen Theodorou | Class | org.codehaus.groovy.vmplugin.v5 | Groovy |
| Java6 | Java 6 based functions. | Class | org.codehaus.groovy.vmplugin.v6 | Groovy |
| Java7 | Java 7 based functions. | Class | org.codehaus.groovy.vmplugin.v7 | Groovy |
| JUnit4Utils | Java 5 code for working with JUnit 4 tests. | Class | org.codehaus.groovy.vmplugin.v5 | Groovy |
| PluginDefaultGroovyMethods | This class defines new Java 5 specific groovy methods which extend the normal JDK classes inside the Groovy environment. | Class | org.codehaus.groovy.vmplugin.v5 | Groovy |
| Selector | Class | org.codehaus.groovy.vmplugin.v7 | Groovy | |
| TypeHelper | This class contains helper methods for converting and comparing types. | Class | org.codehaus.groovy.vmplugin.v7 | Groovy |
| TypeTransformers | This class contains several transformers for used during method invocation. | Class | org.codehaus.groovy.vmplugin.v7 | Groovy |
| VMPlugin | Interface to access VM version based actions. | Interface | org.codehaus.groovy.vmplugin | Groovy |
| VMPluginFactory | Factory class to get functionality based on the VM version. | Class | org.codehaus.groovy.vmplugin | Groovy |