Buck, a high-performance build tool from Facebook. As stated on the site:
Buck is a build system developed and used by Facebook. It encourages the creation of small, reusable modules consisting of code and resources, and supports a variety of languages on many platforms.
React Conf 2017, entire archive of this year’s React Conf presentations to browse through.
When it comes to CSS grid layout, Griddy is a live
display: grid simulator to play with, seems like a great way of learning how the whole thing works.
React Bits, a compilation of React patterns, techniques, tips and tricks.
Reactour, a free intro.js alternative, specifically Reactish, whatever that means. Looking good though.
Tippy, the bestest custom js tooltip plugin I’ve seen in a while. Loads of options and decent browser support. Sa-weet!