Free and Open Source, Distributed, RESTful Search Engine

Spring Framework

Google core libraries for Java

Mirror of Apache Kafka

Open Source Identity and Access Management For Modern Applications and Services

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…

a fast, scalable, multi-language and extensible build system

OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

Apache RocketMQ is a cloud native messaging and streaming platform, making it simple to build event-driven applications.

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

ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.

Zipkin is a distributed tracing system

Logstash - transport and process your logs, events, or other data

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

The ZAP by Checkmarx Core project

Conductor is a microservices orchestration engine.

Style and Grammar Checker for 25+ Languages

AWS Service registry for resilient mid-tier load balancing and failover.

The Java gRPC implementation. HTTP/2 based RPC

Resilience4j is a fault tolerance library designed for Java8 and functional programming

Free implementation of Play Services

A fast build system that encourages the creation of small, reusable modules over a variety of platforms and languages.

Apache JMeter open-source load testing tool for analyzing and measuring the performance of a variety of services

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

Source for the TechEmpower Framework Benchmarks project

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

Algorithms, 4th edition textbook code and libraries

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

GoCD - Continuous Delivery server main repository

Traccar GPS Tracking System