Amethyst is a Rails inspired web-framework for Crystal language
Minimum High Performance Middleware for Crystal Web Server.
A rails like framework based on kemal
Simple and flexible HTTP client for Crystal with middleware and test support.
Telegram Bot framework for Crystal
An event-centric publisher/subscribe model for objects inspired by the Qt framework
Response time for Crystal servers.
Middleware for generates / pick up a unique request ID for Crystal servers.
The middlewares you need to deal with Slack Events API