Compendium was initially developed in Verizon research labs as a next generation version of the QuestMap product, which provided software support for the widely recognized IBIS methodology (Issue-Based Information System), as embodied in Dialogue Mapping by CogNexus Institute. Learning Compendium is a bit of an investment, but we believe it is the best software out there to do this kind of mapping. It allows maps to be scalable, changeable and easier to read than a hand-written map. Compendium is a powerful Open Source tool offered by the... It's free!
Dialog mapping is different yet very similar to mind mapping. These can be a very powerful software but it works best if you understand the concepts of dialog mapping from Jeff Conklin. by fatherantox Dec 15