I was about to start a small hobby project with kefir.js and react. Looks like I need to take a look a this too. Anybody have any experience with FRP libs? How

I was about to start a small hobby project with kefir.js and react. Looks like I need to take a look a this too. Anybody have any experience with FRP libs? How do RxJS, lazy.js, bacon.js, kefir.js and others compare?