I was just about to write that... I barely know it but it seems it can be summed up as a hybrid of mind mapping [1] and literate programming [2], with a graph d

I was just about to write that... I barely know it but it seems it can be summed up as a hybrid of mind mapping [1] and literate programming [2], with a graph data model [3]. [1] http://leoeditor.com/tutorial-basics.html#selecting-and-moving-outline-nodes http://leoeditor.com/tutorial-basics.html#selecting-and-movi... [2] http://leoeditor.com/tutorial-programming.html http://leoeditor.com/tutorial-programming.html [3] http://leoeditor.com/tutorial-pim.html#clones http://leoeditor.com/tutorial-pim.html#clones It's status somewhat resembles Org Mode: it has its own format (which hasn't caught on as interchange format) but has sufficient manipulation and export power to allow some people to spend their life inside it. --- The second thing that spings to mind is YAML which is usually used for trees but the actual data model allows graphs. Is there any structured YAML editor (a-la paredit)?