How to Greatly Improve Your React App's Performance — A review of common React performance pitfalls (such as bad shouldComponentUpdate implementations and using events poorly) and how to avoid them.

React Spreadsheet Grid: An Excel-Like Grid Component — Complete with custom cell editors, keyboard control support, performant scrolling and resizable columns. Live demo here.

React 16 Error Boundaries - Recover Gracefully — Using React 16? Learn how to start using Error Boundaries to catch errors anywhere in the child component tree.

The Performance Cost of Server Side Rendered React on Node.js — “there is a price to pay for server side rendered React.js”

$20 Free on a new Linode Account — Get a Linode server up and running in seconds. Get $20 credit on a new account.

react-fns: Browser APIs Turned Into React Components — For example, components for detecting device motion and oriention, and network status. “The goal is to standardize almost every Web API on MDN.”

React Switch: A Draggable, Customizable and Accessible Toggle-Switch Component — Demo.