Technology is great. But sometimes it just makes things too complicated. Experiment with getting back to basics, by just using paper and pencil.
Paper + Pencil 2: Time Management
You need a pad of paper. You need a pencil. Use it to:
1.write down what you have to do
2.write down what you want to do
3.break down anything in 1 and/or 2 which is longer than a 20 minute time-slice
4.open your diary and place 1 and/or 2 and/or 3 on a page in your diary when you will do it.
Paper + Pencil 1: Selling, here.