Preact is a fast and 3kB React alternative with the same modern API, components & virtual DOM.
Preact supports modern browsers (Chrome, Firefox, Safari, Edge) and IE9+. It should work fine in IE7 and IE8, but requires some polyfills.
Chakra UI is a simple, modular and accessible component library that gives you all the building blocks you need to build your React applications.
Gatsby is a free and open source framework based on React that helps developers build blazing fast modern websites and apps.
Search UI is a react library by Elastic that allows you to quickly implement search experiences without re-inventing the wheel. Use it with Elastic App Search or Elastic Site Search to have a search experience up and running in minutes.
Search UI puts components like Dynamic Filters and Facets, Search Bar, Result Feed Layouts, and Autocomplete at your disposal.
react-big-calendar is a Google Calendar/Outlook like events calendar component built for React and made for modern browser and uses flexbox over the classic tables-ception approach.
Recharts is a redefined chart library built with React and D3. Recharts makes it easy to integrate charts into your React application