sim-ecs
A type-based, components-first, fully async batteries-included ECS, which is optimized for simulation needs.
There's a big emphasis on developer experience, like type-hinting and auto-completions.
Sim-ecs will run in NodeJS, Deno, BunJS and the browser
covjs
A super lightweight pub-sub module
pub-sub
A small library that implements pub/sub in JavaScript.