Node.js: uWebSockets 0.8.0 adds Windows support
github.com
github.com
Alex (the author) has been very thorough and made sure that it passes all the popular WebSocket standard tests so the switch has been seamless.
I think the lib strikes a good balance between portability and performance and is very light weight and a breeze to integrate.
The numbers we have seen have been very impressive so far. Alex had been very responsive with issues and feature requests and I can definitely recommend people give it a whirl.
Point is, I've been there where it mattered and websockets were always slow.
Friend of mine built this on uWebSockets this year:
Have rarely been so impressed with a new library.