There are many optimizers:

1. Gradient Descent
2. Stochastic Gradient Descent (SGD)
3. Mini Batch SGD
4. Stochastic Gradient Descent with Momentum
5. Nesterov Accelerated Gradient (NAG)
6. AdaGrad
7. RMSProp
8. AdaDelta
9. Adam
10. AdaMax
11. NADAM
12. AMSGrad

References

1. https://www.ruder.io/optimizing-gradient-descent
2. https://www.scaler.com/topics/deep-learning/optimizers-in-deep-learning/
3. https://medium.com/mlearning-ai/optimizers-in-deep-learning-7bf81fed78a0
4. https://towardsdatascience.com/optimizers-for-training-neural-network-59450d71caf6