How to: Message Queue
* [Rmqtt](https://github.com/rmqtt/rmqtt) - MQTT Server/MQTT Broker — Scalable distributed MQTT message broker for IoT in the 5G era.
* [RobustMQ](https://github.com/robustmq/robustmq) - Next generation cloud-native converged message queue.
* [Rocketmq-Rust](https://github.com/mxsm/rocketmq-rust) - 🚀Apache RocketMQ build in Rust🦀. Faster, safer, and with lower memory usage.