There's more...

Some of the other loss optimizers available are as follows:

• RMSprop
• Adagrad
• Adadelta
• Adamax
• Nadam

You can learn more about the various optimizers here: https://keras.io/optimizers/.

Additionally, you can find the source code of each optimizer here: https://github.com/keras-team/keras/blob/master/keras/optimizers.py.