The difference between Flux and Redux

It’s all about constraints

The Flux diagram: https://github.com/facebook/flux

Flux is a pattern and Redux is a library.

Flux is a fancy name for the observer pattern modified a little bit to fit React, but Facebook released a few tools to aid in implementing the Flux pattern, so the following is the difference between using these tools (which is commonly referred to as using Flux) and using Redux.