HINT: Reflowable Output for TeX, by Martin Ruckert. This is amazing, I hope it becomes popular. Related TUG article from 2018.

LP49: Embedded system OS based on L4 and Plan 9 (2006), by Yoshihide Sato and Katsumi Maruyama. (More, in Japanese.)

ZedRipper, a 16-core, 83 MHz Z80 powerhouse. By Chris Fenton.

hBPF is eBPF in hardware.

Writing a device driver for Unix V6, by Marton Veges. When life was simple!

headscale, an open source, self-hosted implementation of the Tailscale control server.

Nebula is a mutually authenticated peer-to-peer software defined network based on the Noise Protocol Framework.

Conway’s Circle, a proof without words (2020), by Colin Beveridge.

Lightboard is a glass chalkboard pumped full of light. It’s for recording video lecture topics. You face toward your viewers, and your writing glows in front of you.

Infinite Wordle and the Mastermind numbers, by Joel David Hamkins.

Asicle, Wordle on raw silicon.