Chronicle Queue is a Java-based, high-performance messaging queue with ultra-low latency and durable off-heap persistence. It supports multiple concurrent writers and lock-free readers, delivering microsecond latency for millions of messages per second. Perfect for microservices, trading systems, event streaming, and distributed architectures.

Kafka producer and consumer example using spring boot

practical demo of microservices communication using RabbitMQ and Spring Boot. Includes a producer and consumer service with real-world messaging patterns like direct exchange, routing keys, and queue bindings.

Aws sqs imple using spring boot

A full-stack Order Management System demonstrating Domain-Driven Design (DDD) and Hexagonal Architecture (Ports & Adapters) with an event-driven Spring Boot backend and a modular Angular Nx frontend sharing centralized OpenAPI contracts.