I'm on Linux and macosx interchangeably. The problem with sticky notes (and I tried them both on paper and computer desktop) is that you have to remember to look at them. I just don't. I was thinking maybe an app that displays growl notification every ten minutes with the next note could be a deal breaker. Of course, it would have to do this when I'm not busy writing code, so as not to distract, but rather when I'm chatting or reading emails. Do you know any such app?