throttle-net vs philiprehberger-retry-kit vs retryify

General-purpose outbound throttling and resilience for Rust: multi-algorithm rate limiting, multi-dimensional and cost-aware limits, adaptive throttling, circuit breakers, and jittered backoff/retry. The outbound companion to rate-net.

Async retry with exponential backoff and circuit breaker for Rust

Production-grade async retry: shared budgets, circuit breaker, jittered backoff, dual timeouts, cancellation, and a tower Layer