Alternatives for implementing - https://github.com/Ather-Energy/RuMqtt pure Rust - https://github.com/inre/rust-mq, pure Rust client. Separate `mqtt3` crate for protocol Not looking so good - https://github.com/zonyitoo/mqtt-rs looks like pure Rust, but not much info on maturity - https://github.com/cubehub/rust-mqtt wraps Paho C library - https://github.com/tkellogg/rust-mqtt pure Rust, but not updated since 2015
Alternatives for implementing
mqtt3crate for protocolNot looking so good