Open-source alternatives to Cossack

It's like ActionCable (100% compatible with JS Client), but you know, for Crystal

💎HTTP Requests Client with a chainable REST API, built-in sessions and middlewares.

HTTP and REST client for Crystal

Crystal port of awesome Ruby ProxyFetcher gem

Command line HTTP client written in Crystal

This library protects against typical web attacks. It was inspired in rack-protection Ruby gem.

Cross-platform HTTP load testing CLI: a modern ab/wrk alternative with machine-readable reports for CI/CD