Netty project - an event-driven asynchronous network application framework
Apache RocketMQ is a cloud native messaging and streaming platform, making it simple to build event-driven applications.
Portable AI agent runtime for the JVM. One @Agent class runs on Spring AI, LangChain4j, Anthropic, or 9 more behind one SPI. Token streaming, tool calls, human approvals, and governance over WebSocket, SSE, gRPC, or WebTransport/HTTP3. Speaks MCP, A2A, and AG-UI.
The open source, cloud native tool for API Mocking and Testing. Microcks is a Cloud Native Computing Foundation incubating project π
EventMesh is a new generation serverless event middleware for building distributed event-driven applications.
π¦ A lightweight, multi-protocol gateway for event-driven applications and AI agents. Expose and govern Kafka, MQTT, APIs, and MCP through one high-performance engine with shared routing, security, schema, and observability.
Framework for building Event-Driven Microservices
An Intuitive Event-Driven Reactive Programming Library for Java
Event Ruler is a Java library that allows matching many thousands of Events per second to any number of expressive and sophisticated rules.
Jivejdon is a chain notebook with DDD/CQRS/Clean architecture
An open-source event-driven personal finance platform built with Java, Spring Boot, Spring Batch, Spring Security, PostgreSQL, Redis, Amazon SQS, React, Terraform, and AWS.