I've been using slock, which seems to work with AwesomeWM and StumpWM. I'm not sure how I feel running suckless things though. The setup Leah mentioned on the Fedi [ <https://leahneukirchen.org/blog/archive/2020/01/x11-screen-locking-a-secure-and-modular-approach.html> ] sounds interesting, if more complicated.
-B.