5. Whotalk.usChat based SNS implemented using React.js on frontend-side and Node.js on backend-side - https://whotalk.us/
11. redux-penderredux middleware that helps to manages async actions based on promise
13. react-codelab-projectSingle-page infinite-scrolling public memo app implemented using React.js, Redux, Express.js and MongoDB
17. saysomethingRealtime Chat Application using long polling technique; implemented using Express.js, MongoDB and React.js