Court.
Is anything actually waiting on me right now, and what am I holding up for someone else?
A small Mac app that answers that one question, continuously, from GitHub and Linear. My turn is work to do. Their turn is someone to poke.
It stores nothing. Every minute it asks both services what is true and shows the answer, so a row disappears when you do the work in the real tool. No mark-as-read, no snooze, nothing to rot.