Also, what are some downsides of your tool ?
I've since started putting post-it notes on my living room window, because they're ever present in my peripheral vision. For people who work on pure thought-stuff, having physical evidence of the work that you did, even if it's in the form of coloured squares of paper, is good. And filling up an entire window pane feels good.
And there's a satisfying feeling to walking up to the window, and moving a post-it to the done column.
The only problem is the overnight condensation :)
Trello helps you get an overview of the stages your projects are at.
Notion helps you plan them out.
And note pads and sticky notes are good for writing out and testing new things that might be good but aren't as important