Free and Open Source, Distributed, RESTful Search Engine

Open Source Identity and Access Management For Modern Applications and Services

APM, Application Performance Monitoring System

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

Zipkin is a distributed tracing system

Apache Pulsar - distributed pub-sub messaging system

The ZAP by Checkmarx Core project

A Java API for generating .java source files.

The Metadata Platform for your Data and AI Stack

Java Native Access

Flyway by Redgate • Database Migrations Made Easy.

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.

SVG library for React Native, React Native Web, and plain React web projects.

Free and open log management

Use SQL to query Elasticsearch

React Native Local and Remote Notifications

Gnirehtet provides reverse tethering for Android

ansj分词.ict的真正java实现.分词效果速度都超过开源版的ict. 中文分词,人名识别,词性标注,用户自定义词典

jOOQ is the best way to write SQL in Java

Automated JSON API documentation for API's built with Spring

🚀 Lightning fast and elegant mvc framework for Java8

General IM UI components. Android/iOS/RectNative ready. 通用 IM 聊天 UI 组件，已经同时支持 Android/iOS/RN。

DataX集成可视化页面，选择数据源即可一键生成数据同步任务，支持RDBMS、Hive、HBase、ClickHouse、MongoDB等数据源，批量创建RDBMS数据同步任务，集成开源调度系统，支持分布式、增量同步数据、实时查看运行日志、监控执行器资源、KILL运行进程、数据源信息加密等。

JanusGraph: an open-source, distributed graph database

Apache Kafka® running on Kubernetes

Bring some 12 factor love to your mobile apps!

CrateDB is a distributed and scalable SQL database for storing and analyzing massive amounts of data in near real-time, even with complex queries. It is PostgreSQL-compatible, and based on Lucene.

Bistoury是去哪儿网的java应用生产问题诊断工具，提供了一站式的问题诊断方案

Distributed lock for your scheduled tasks

Social share, sending simple data to other apps.