Spring Boot helps you to create Spring-powered, production-grade applications and services with absolute minimum fuss.

Free and Open Source, Distributed, RESTful Search Engine

Spring Framework

RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.

Netty project - an event-driven asynchronous network application framework

Spring Cloud Alibaba provides a one-stop solution for application development for the distributed solutions of Alibaba middleware.

Apache Flink

Hystrix is a latency and fault tolerance library designed to isolate points of access to remote systems, services and 3rd party libraries, stop cascading failure and enable resilience in complex di…

JDK main-line development https://openjdk.org/projects/jdk

GraalVM compiles applications into native executables that start instantly, scale fast, and use fewer compute resources 🚀

A high performance caching library for Java

Zipkin is a distributed tracing system

Most popular Mocking framework for unit tests written in Java

Access your entire server infrastructure from your local desktop

Zuul is a gateway service that provides dynamic routing, monitoring, resiliency, security, and more.

🔎 Open source distributed and RESTful search engine.

LangChain4j is an idiomatic, open-source Java library for building LLM-powered applications on the JVM. It offers a unified API over popular LLM providers and vector stores, and makes implementing …

AutoMQ is a diskless Kafka® on S3. 10x Cost-Effective. No Cross-AZ Traffic Cost. Autoscale in seconds. Single-digit ms latency. Multi-AZ Availability.

Spring Security

Apache Iceberg

Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.

Efficient reliable UDP unicast, UDP multicast, and IPC message transport

A damn simple library for building production-ready RESTful web services.

Apache Tomcat

📈 Capturing JVM- and application-level metrics. So you know what's going on.

Examples and server integrations for generating the Swagger API Specification, which enables easy access to your REST API

A tool for mocking HTTP services

✅ The programmer-friendly testing framework for Java and the JVM

Runtime code generation for the Java virtual machine.

Asynchronous Http and WebSocket Client library for Java