是否存在更适合编程相关讨论的通信工具？

I'm asking this question since SO isn't particularly well suited for this kind of task since it was designed for asking questions like this one. Therefore I neither ask it relative to SO. I ask whether there is a tool better suited for programming-related discussion than old-mannered forums, mailing lists, wikis, IRC, or afk chatting.I'm asking this question since SO isn't particu