| Name | Description | Type | Package | Framework |
| FlatLayer | Used to configure a flat layer. | Class | org.encog.neural.flat | HeatonReasearch |
| FlatNetwork | meant to be a very highly efficient feedforward, or simple recurrent, neural network. | Class | org.encog.neural.flat | HeatonReasearch |
| FlatNetworkRBF | A flat network designed to handle an RBF. | Class | org.encog.neural.flat | HeatonReasearch |