[rayvy]

If you want a really fast webserver. Tokio's[1] zero-cost abstractions are amazing. Further, the examples provided make futures/async/low-level socket work quite understandable.

[1] https://github.com/tokio-rs/tokio

[aaron_m04]

Shameless plug: my friend and I are working on a UDP game networking library purely in Rust, built on Tokio: https://github.com/conwayste/netwayste

(at the moment, it's tightly coupled to our game, however)