MiniRust, by Ralf Jung. “The purpose of MiniRust is to describe the semantics of an interesting fragment of Rust in a way that is both precise and understandable to as many people as possible.”

Combinatory Logic and Combinators in Array Languages (PDF), by Conor Hoekstra. “This paper will look at the existence of combinators in the modern array languages Dyalog APL, J and BQN and how the support for them differs between these languages.”

Trealla Prolog, a compact, efficient Prolog interpreter with ISO compliant aspirations.

The APL/J/K Zoo, run many APL variants in your browser!

The PicoEMP is a low-cost Electromagnetic Fault Injection (EMFI) tool, designed specifically for self-study and hobbiest research.

Getting the World Record in HATETRIS, extremely in-depth. You way wanna read the prologue first!