OpenBSD 7.2 has been released.
rset(1), configure systems using any scripting language.
JRM’s Syntax-rules Primer for the Merely Eccentric, by Joe Marshall.
Elevator Saga: The elevator programming game
Troubleshoot and make a sad server happy!, “Capture The Flag challenges. Train and prove your debugging skills.”
smolnes, a NES emulator in ≈5000 significant bytes of C++.
RFC XXXX: Asynchronous Rock-Paper-Scissors over Instant Message by Flisk.