* [Shoryuken v7.0.4](https://github.com/ruby-shoryuken/shoryuken) – Super-efficient thread-based message processor for Amazon SQS.

* [BreakerMachines breaker-machines-v0....](https://github.com/seuros/breaker_machines) – Battle-tested Ruby implementation of the Circuit Breaker pattern for reliable distributed systems protection.