Webbit seems like a thin wrapper around Netty to make Netty do websockets. Unless Webbit grossly screws things up, it seems like a reasonable choice, because a

Webbit seems like a thin wrapper around Netty to make Netty do websockets. Unless Webbit grossly screws things up, it seems like a reasonable choice, because all the work falls to Netty, a well-known and much-used library.