Totally agreed, after I jumped through the hoops of learning RxJS I realized it can replace all the libraries you mentioned just because of the way RxJS worked.

Totally agreed, after I jumped through the hoops of learning RxJS I realized it can replace all the libraries you mentioned just because of the way RxJS worked. If you are interested, I created a small little Redux-clone based on Observables/RxJS as a fun project, but am using it in my side projects in production now: https://github.com/Dynalon/reactive-state https://github.com/Dynalon/reactive-state