Spindle
Spindle is a tiny helper for structuring React components in a way that's easy to create, maintain, reuse, and scale. And it's really fast, for free!
Before jumping into Spindle's own (tiny!) API, here are the other pieces that blah.
React
React is a popular UI library from Facebook. React's component API is big, powerful, and flexible. Spindle provides a simple, structured way to manage that power.