If every productivity system has eventually failed you, the problem was never you. Most of them were designed for a brain that runs on discipline. Here are a few designed for ours.
Common organisation advice does not fit everyone. Many people with ADHD describe attention as easier to access with interest, novelty, urgency or meaning, but no single motivational profile explains every person. The ideas below are experiments to test rather than rules to obey.
The first is to get things out of your head. One of the most useful ideas in the whole field, from the psychologist Russell Barkley, is that a brain like ours struggles to hold and juggle information internally, so the trick is to move it outside, into the world, where you can see it. A visible list, a whiteboard by the door, an alarm that is really a message from your past self, a single note stuck where you cannot miss it. Not because you are incapable, but because your working memory is genuinely stretched, and a brain that cannot easily hold the next step in mind does far better when the next step is sitting there in plain sight.
The second is to test whether interest, urgency or company changes the task. Music, a timer or doing the task alongside another person—often called body doubling—may help some people and distract others. Treat the result as personal data, not proof of how every ADHD nervous system works.
The third is to shrink the decisions. A great deal of what looks like avoidance is really a brain overwhelmed by too many open choices, so anything that reduces the deciding helps. Lay tomorrow's clothes out tonight. Keep the same easy breakfast so the morning holds one less decision. Break a task down not into "reasonable" steps but into embarrassingly small ones, the first of which is almost too easy to refuse. And where you can, tie a new habit onto something you already do, so it rides an existing groove rather than needing willpower of its own.
Underneath all of these is the thing that matters most, and it is not a strategy at all. It is the tone you take with yourself when a system slips, as every system sometimes will. You cannot shame a brain like ours into working well, and years of trying have only taught most of us to expect our own contempt. So the quiet, radical move is to treat each fresh start as ordinary rather than as fresh proof of failure. The strategies genuinely help, but they help most when they rest on a foundation of self-kindness rather than self-punishment. That is the part that makes them last.
If you would like help building a way of working that actually fits your brain, without the shame that usually comes attached, that is a good deal of what we do here together. You are warmly welcome to reach out.