CoCoDoJo is an online Collaborate Coding tool. Imagine that you want to pair programming with another people from the other side of the world. This app just provides the enough function for people to really discussion online. We provide synchronized coding section for people to pair programming online. The chatroom allows people briefly discuss their idea, to further clarify, we also provides a shared whiteboard with built-in data structure so that developer can easily communicate their idea online. Come and enjoy this great online collaboration coding app, CoCoDoJo.