My take is I have way too many windows open and I am always switching from this to that and the last thing I want is to do is add another web browser tab to make it harder to find other tabs.

For personal projects I write a lot of notes into .md files or comments but keep task lists as paper notes on letter pads. When the list gets too messy I copy the whole list by hand which means I keep on top of it. I'd argue that

https://en.wikipedia.org/wiki/CONWIP

is the basic practice of management for small projects and that you can't really commit to more work than you can handle with a paper process.