Java

Very spicy additions to the Java programming language.

No clever tagline needed.

mall学习教程，架构、业务、技术要点全方位解析。mall项目（60k+star）是一套电商系统，使用现阶段主流技术实现。涵盖了SpringBoot、MyBatis、Elasticsearch、RabbitMQ、Redis、MongoDB、MySQL等技术，采用Docker容器化部署。

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

Tools to work with android .dex and java .class files

mall-swarm是一套微服务商城系统，采用了 Spring Cloud Alibaba、Spring Boot 3.5、Sa-Token、MyBatis、Elasticsearch、Docker、Kubernetes等核心技术，同时提供了基于Vue的管理后台方便快速搭建系统。mall-swarm在电商业务的基础集成了注册中心、配置中心、监控中心、网关等系统功能。

Change data capture for a variety of databases. Please log issues at https://github.com/debezium/dbz/issues.

🔥🔥🔥Banner 2.0 来了！Android广告图片轮播控件，内部基于ViewPager2实现，Indicator和UI都可以自定义。

🥤 COLA: Clean Object-oriented & Layered Architecture

A free, secure and open source app for Android to manage your 2-step verification tokens.

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 tool calling (including MCP support), agents and RAG easy. It integrates seamlessly with enterprise Java frameworks like Quarkus and Spring Boot.

Admin UI for administration of spring boot applications

Apache ZooKeeper

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

Guice (pronounced 'juice') is a lightweight dependency injection framework for Java 11 and above, brought to you by Google.

The most widely used, high performance Minecraft server that aims to fix gameplay and mechanics inconsistencies

greenDAO is a light & fast ORM solution for Android that maps objects to SQLite databases.

Your Cheat Sheet For Android Interview - Android Interview Questions and Answers

Redis Java client

Mybatis通用分页插件

Open-Source Web UI for Apache Kafka Management

Image Cropping Library for Android

The Java gRPC implementation. HTTP/2 based RPC

The world's fastest open query engine for sub-second analytics both on and off the data lakehouse. With the flexibility to support nearly any scenario, StarRocks provides best-in-class performance for multi-dimensional analytics, real-time analytics, and ad-hoc queries. A Linux Foundation project.

Matrix is a plugin style, non-invasive APM system developed by WeChat.

OpenRefine is a free, open source power tool for working with messy data and improving it

开源的端到端产品级通用智能体

A scalable web crawler framework for Java.

🔥 🎉newbee-mall是一套电商系统，包括基础版本(Spring Boot+Thymeleaf)、前后端分离版本(Spring Boot+Vue 3+Element-Plus+Vue-Router 4+Pinia+Vant 4) 、秒杀版本、Go语言版本、微服务版本(Spring Cloud Alibaba+Nacos+Sentinel+Seata+Spring Cloud Gateway+OpenFeign+ELK)。 前台商城系统包含首页门户、商品分类、新品上线、首页轮播、商品推荐、商品搜索、商品展示、购物车、订单结算、订单流程、个人订单管理、会员中心、帮助中心等模块。 后台管理系统包含数据面板、轮播图管理、商品管理、订单管理、会员管理、分类管理、设置等模块。