One of the most overlooked productivity hacks has to do with the concept of margin. That is, creating space in your workflow for not actively working on a project. That might seem counterintuitive, but building in empty space is actually integral to the overall project management process.
Life is one indivisible whole, and to fragment it into discrete categories introduces a kind of needless schizophrenia. Instead of seeing work as this thing that is somehow at odds with everything else, we need to see what role it could/should play in enhancing all the other areas of life, so as to foster greater levels of happiness and fulfilment.
With so many task management applications available, selecting and settling on one can be both time-consuming and expensive. Before giving an app serious consideration, I find it helpful to get clear about what I absolutely must have in an application.
I read widely this past year, and as I look back I see a pattern in the topics to which I gravitated. Three books in particular were the most helpful.
How emptying my email inbox everyday helped me keep track of things better, regain a sense of control, better prioritize what is actionable, and enabled me to leave work at work.