Design patterns implemented in Java

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

#1 Locally hosted web application that allows you to perform various operations on PDF files

The java implementation of Apache Dubbo. An RPC and microservice framework.

Netty project - an event-driven asynchronous network application framework

Mirror of Apache Kafka

Open Source Identity and Access Management For Modern Applications and Services

阿里云计算平台DataWorks(https://help.aliyun.com/document_detail/137663.html) 团队出品，为监控而生的数据库连接池

🔥 Seata is an easy-to-use, high-performance, open source distributed transaction solution.

Bind Android views and callbacks to fields and methods.

Apache Flink

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

Jenkins automation server

APM, Application Performance Monitoring System

A Java serialization/deserialization library to convert Java Objects into JSON and back

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

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

QuestDB is a high performance, open-source, time-series database

Quarkus: Supersonic Subatomic Java.

Apache Pulsar - distributed pub-sub messaging system

Open source alternative to Auth0 / Firebase Auth / AWS Cognito

Apache Doris is an easy-to-use, high performance and unified analytics database.

🏗 Build container images for your Java applications.

Apache Druid: a high performance real-time analytics database.

APM, (Application Performance Management) tool for large-scale distributed systems.

Tink is a multi-language, cross-platform, open source library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse.

Very spicy additions to the Java programming language.

Generate diagrams from textual description

Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)