David Allen commenting on productivity tools says that, in essence, all you need is the ability to create and maintain lists. In Evernote I have a bunch of not

David Allen commenting on productivity tools says that, in essence, all you need is the ability to create and maintain lists. In Evernote I have a bunch of notes. One is called 'Projects', one is called 'someday maybe' one is called 'stuff' and then there are a batch of context notes, office, home, etc all the usual GTD notes. Each of these notes is a list. So when I open evernote, what I see is a list of lists. I find this depth of nesting optimal. It works great. I mainly use it on my phone but, of course, it's available on my PC. I use evernote only because it means I have an online backup and if I change my phone there's no messy data transfer to arrange. Used in conjunction with Google calendar it supports GTD perfectly. I have tried a lot of GTD apps and none beats the simplicity of this when it comes to supporting GTD methodology