spica
Supervisor, Coroutine, Channel, select, AtomicPromise, Cancellation, Cache, List, Queue, Stack, and some utils.
random-seedable
Fully-fledged collection of both 32 and 64 bit seedable random number generators whose output precisely matches their original c/c++ implementations.
pcg-gen
A permuted congruential generator generator
pcg-random
Implementation of the PCG random number generator for JavaScript