Had to look it up. Saw this right on the main page of nanomsg:
> This project has largely been superceded by the nng project. Users are encouraged to use nng if they are able. The nng project is wire compatible with this library, and supports a significant superset of capabilities.
> This project has largely been superceded by the nng project. Users are encouraged to use nng if they are able. The nng project is wire compatible with this library, and supports a significant superset of capabilities.