Standard Notes is phenomenal, it's FOSS and privacy focused. However, it does require setting up a free account to use. This account allows you to access the notes from any device, so totally worth it!
F-droid has a lot of free list apps like Clear List and Todo List (PFA). I'm a post-it note freak and use actual paper so I can't actually speak on these specifically.
Just use the notes or reminders app on your phone.
If you don’t like that software then fish a bill out of the trash can and write your list on that with a pen stolen from the bank or the bar round the corner.
askchapo
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