| Name | Description | Type | Package | Framework |
| FreeformBackPropagation | Perform backpropagation for a freeform neural network. | Class | org.encog.neural.freeform.training | HeatonReasearch |
| FreeformPropagationTraining | Provides basic propagation functions to other trainers. | Class | org.encog.neural.freeform.training | HeatonReasearch |
| FreeformResilientPropagation | Class | org.encog.neural.freeform.training | HeatonReasearch | |