Simplebus is a organization that helps you to use CQRS and event sourcing in your application. Get started by reading more about these concepts LINK or by digging in to common use cases LINK.
Swarrot is a PHP library to consume messages from any broker.
Mercure is an open protocol for real-time communications designed to be fast, reliable and battery-efficient. It is a modern and convenient replacement for both the Websocket API and the higher-level libraries and services relying on it.