I found it interesting that you mentioned Alicorn's Luminosity series, as that is the single most helpful, life-changing work I've read on Less Wrong. Certainly not the "lifehack" in the sense of procedures one can implement, but her work has helped me identify problem areas in myself with much more accuracy than before.

By contrast, I find lukeprog's Procrasination Equation intimidating at first glance, and I have to work up my willpower to make a commitment to it. Pomodoro and Exercise have both worked well for me in the past, but I've backslid from using them. Leechblock doesn't appeal to me as an idea at all, because the barrier is too easy to delete. I'd rather develop my willpower instead.