https://re.factorcode.org/2025/12/factor-0-101-now-available.html

It's not my system -- I suggest posting in the reddit thread to reach the author.

Thanks! I'm currently using DozeCal (which defaults to base 12 on every launch, which is fun, but not usually what I want), and 48sx, which is cool but I don't know how to use it well, and some common actions are buried.