MobX is a scalable state management library that is very simple to use. Based on reactive programming principles, it makes sure state get's never out of sync with things that need to be derived from it. MobX's philosophy simply states:
Anything that can be derived from the application state, should be derived. Automatically.
This collective aims to cover any expenses made by its maintainers and to provide a small compensation for the time they invest in the project, educational material, related projects etc.