+1 - I wish I had heard of Intercooler much earlier. I've just incorporated it into a couple of existing projects, and it really is the antz pantz when it comes to doing simple partial screen refreshes or background processes when buttons are clicked.

Other than that, I've always had trouble getting my head around React. I recently discovered Vue.js [0] and built a small HN specific project in it [1], and to my (old) brain, it just seems more natural and intuitive for dynamic page templating.

[0] - https://vuejs.org/ [1] - https://hackernoon.com/tophn-a-fun-side-project-built-with-v...