Show me the React! https://chrome.google.com/webstore/detail/show-me-the-react/iaebolhfcmodobkanmaahdhnlplncbnd?hl=en-US&gl=US
react-detector https://chrome.google.com/webstore/detail/react-detector/jaaklebbenondhkanegppccanebkdjlh?hl=en-US
React Developer Tools https://chrome.google.com/webstore/detail/react-developer-tools/fmkadmapgofadopljbjfkapdkoienihi