John Horton Conway (1937–2020), RIP.
How we abused Slack’s TURN servers to gain access to internal services
Synthesizing optimal 8051 code, by whitequark.
Ten Lessons I Wish I Had Learned Before I Started Teaching
Differential Equations (PDF), by Gian-Carlo Rota.
Edge, a text editor. Has some very unique features.
edwood, an implementation of the Acme editor in Go.
io_uring By Example, by Shuveb Hussain.
regex2fat, compile regular expressions into file system images.