For the "todo list" item: check out Todo.txt and any number of the clients that use the same, human-readable/editable text-based format. I really enjoy being ab

For the "todo list" item: check out Todo.txt and any number of the clients that use the same, human-readable/editable text-based format. I really enjoy being able to choose the client I want on my Mac, iPad and Android phone while keeping the same todo list file...