The first-line treatment for ADHD is stimulants. Everything else in this post works best as a complement to, rather than as an alternative to, stimulant medication. In fact most of the strategies described here, I was only able to execute after starting stimulants. For me, chemistry is the critical node in the tech tree: the todo list, the pomodoro timers, etc., all of that was unlocked by the medication

Notes on Managing ADHD