mpd + Emacs frontend. There are dozens of us

I feel like I should frame this graphic. It’s beautiful

ISO-8601. God’s own date-time format

That’s awesome! I agree - 5 years should be the minimum

I’ll throw out there that Emacs org-mode is an incredibly robust solution for this, although it may be a bit overkill for your needs (and may send you down an Emacs rabbit hole).

At least for me, it’s gotten to the point that my entire life can be summarized in a giant pile of *.org files. I highly recommend it