PC Outline, a brilliant little DOS-based outliner my manager gave me in 1987. He said, "Here, you're organised - you'll like this" and I really did. I use it for everything - prioritised todo lists, packing lists, pseudo code, shopping lists. If you don't have DOS or Windows available, run it in DOSBox. The outliner is available from http://www.developer-resource.com/free-download/Text-Utiliti...