A Collaborative Code editor for pair programming, interviews, teaching and a lot more. The "a-Live Coder" is a code pair platform where users can share an interactive editor and write code together. It has language support for C++, Java and python. This application is based on the concept of operational transformation which forms the basis for a shared editor. Video calling is also provided within this application. It has some similar features as provided by HackerRank's CodePair platform.