github.com/Allenxuxu/gev (go): 🚀Gev is a lightweight, fast non-blocking TCP network library / websocket server based on Reactor mode. Support custom protocols to quickly and easily build high-performance servers. 
Keywords: epoll|epoll-tcp-server|event-driven|evio|gev|go|golang|gomaxprocs|goroutine|kqueue|network-programming|nonblocking|protocol|reactor|websocket