Ridiculously fast unicode (UTF-8) validation, by Daniel Lemire.
8086 microcode disassembled, by Andrew Jenner.
Cryptographic Signing using ssh-keygen(1) with a FIDO Authenticator
SAILDART, an archive of the first Stanford Artificial Intelligence Laboratory derived from its final backup tapes.
xplugd is a UNIX daemon that executes a script on X input and RandR changes, i.e., when a keyboard, mouse or a monitor is plugged in or unplugged.
fx, a command-line tool and terminal JSON viewer.
Building a 10BASE5 “Thick Ethernet” network, by Matt Millman.
Floating-Point Formats, the ultimative reference.
Nokia Composer in 512 bytes, by Serge Zaitsev.