* [Stoplight v5.8.3](https://github.com/bolshakov/stoplight) – Implementation of the circuit breaker pattern in Ruby for managing failures in external dependencies.

* [Failsafe-go v0.9.7](https://github.com/failsafe-go/failsafe-go) – Library providing fault-tolerance and resilience patterns for Go applications.

* [CEE v0.2.0](https://github.com/p0nymc1/cee) – CEE is a deterministic execution engine for agent workflows in Go, using an edge LLM for structured extraction and a deterministic state machine to drive steps.

* [Grok2API & CPA v1.0.9](https://github.com/lij768423-svg/grok2api-egress-enhancements) – Grok2API plus CPA egress quality guard sidecar with proxy recovery, quarantine, profile-based policy management, and admin operations UI.

* [@fastify/circuit-breaker v4.0.3](https://github.com/fastify/fastify-circuit-breaker) – Low overhead circuit-breaker plugin for Fastify routes with configurable thresholds, timeouts, and hooks for open-circuit and timeout responses.

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