“Getting things done in a much better way than just letting things happen, which often turns out not to be very cool at all”.
After reading dozens of books and articles about personal productivity, I keep defaulting to David Allen's, Getting Things Done system. The problem is, if followed as directed, it can get way too complicated. I like Erlend Hamberg's distillation. It's all you need.
Article: GTD in 15 minutes – A Pragmatic Guide to Getting Things Done