Libuv which powers Node can execute multiple event loops (one per thread). https://docs.libuv.org/en/v1.x/design.html https://docs.libuv.org/en/v1.x/design.htm

Libuv which powers Node can execute multiple event loops (one per thread). https://docs.libuv.org/en/v1.x/design.html https://docs.libuv.org/en/v1.x/design.html You'd need to write your app code in C++ which isn't very popular in web dev.