+ - [piscina](https://github.com/piscinajs/piscina)
+ - [tinypool](https://github.com/tinylibs/tinypool)
+ - [workerpool](https://github.com/josdejong/workerpool)
+ - [worker-nodes](https://github.com/allegro/node-worker-nodes)
+ - [node-worker-threads-pool](https://github.com/SUCHMOKUO/node-worker-threads-pool)
+ - [nanothreads](https://github.com/snuffyDev/nanothreads)