| Name | Description | Type | Package | Framework |
| Constraint | The implementation of a constraint. | Class | com.jme3.scene.plugins.blender.constraints | JMonkeyEngine |
| ConstraintDefinition | A base class for all constraint definitions. | Class | com.jme3.scene.plugins.blender.constraints.definitions | JMonkeyEngine |
| ConstraintDefinitionFactory | Class | com.jme3.scene.plugins.blender.constraints.definitions | JMonkeyEngine | |
| ConstraintHelper | This class should be used for constraint calculations. | Class | com.jme3.scene.plugins.blender.constraints | JMonkeyEngine |
| ConstraintHelper .Space | The space of target or owner transformation. | Class | com.jme3.scene.plugins.blender.constraints | JMonkeyEngine |
| SimulationNode | A node that represents either spatial or bone in constraint simulation. | Class | com.jme3.scene.plugins.blender.constraints | JMonkeyEngine |