React Sight
Visualization tool for React, with support for Fiber, Router, etc.
...Simply add to Chrome if you don't have it installed. Open your React application, or open (almost!) any website running React! React Sight is a live view of the component hierarchy tree of your React application with support for React Router and Redux. Now with support for Firefox! Hover over nodes to see their state and props in the side panel. Hide DOM elements, Redux components, and Router components with the built-in filters, so that you can focus only on the components you've written. Zoom in by double-clicking, and zoom out by shift + double clicking (mouse wheel zoom coming soon!) ...