I just found this interesting post introducing the subject of informal logic, a more formal way of describing what we call argumentation theory, or "the stuff what we do in this module". It is a useful but very light overview of how everyday argumentation relates to formal logical reasoning. What is interesting though is that the company whose blog this post is on develops argumentation visualisation software for use in online opinion research and public consultation. It is not as advanced as Araucaria, and delib appears to be taking a different approach to ours in the development of MAgtALO. Nevertheless it looks nice, and that is usually half the battle when getting user uptake, engagement and participation. An example of the kind of argumentation visualisation that the amap software provides:

