java

A fast Java JSON schema validator that supports draft V4, V6, V7, V2019-09 and V2020-12

Customizable, privacy‑first, open-source clock app inspired by AOSP Clock

dnsjava - an implementation of the DNS protocol in Java

Apache Ranger - To enable, monitor and manage comprehensive data security across the Hadoop platform and beyond

Build efficient Bedrock & Java Minecraft networks with multi-version support. Powers global Connect network at production scale. Runs with 10MB.

High performance JVM JSON library

A library for handling Problems in Spring Web MVC

A Paper fork focused on finding the balance between performance, vanilla mechanics, and stability

🔥 🔥 官方推荐 🔥 🔥 高并发大麦网售票系统，使用 SpringCloud、Kafka、Redis、Sentinel、ElasticSearch、ShardingSphere 等，通过优化锁的策略、多级缓存管理、数据提前预热、精确的定制限流等多种策略，显著的降低下单延迟。此外还解决各种高并发难题的实际落地解决方案。是面试、就业、提高技术的不二选择！

Make you have the QRCode Scan ability like WeChat!

Apache Phoenix

最新版全面支持AI智能！通过自然语言操作业务数据，支持 Skills/工具/知识库/MCP。高度可配置化的国产企业管理系统，企业内部可免费商用！零代码/低代码快速搭建WMS库存管理、MES生产报工、CRM客户管理、HRM人事管理，以及 TMS/ERP 等

使用注解优雅记录系统日志，操作日志，后端埋点等，支持SpEL表达式，自定义上下文，自定义函数，实体类DIFF等其他高阶处理。

ADAM is a genomics analysis platform with specialized file formats built using Apache Avro, Apache Spark, and Apache Parquet. Apache 2 licensed.

BSN is a social network platform to exchange books between the members.

fork of the popular jsch library

Java bytecode to WebAssembly compiler

🔥🔥🔥 fastposter海报生成器,图片生成器,电商海报编辑器,海报设计器,电商图片合成,海报开发。生成朋友圈分享海报并生成图片，二维码海报，图片海报，图片合成，二维码推广海报，支持Java Python PHP Go JS 小程序。https://fastposter.net/doc/

SiteWhere is an industrial strength open-source application enablement platform for the Internet of Things (IoT). It provides a multi-tenant microservice-based infrastructure that includes device/asset management, data ingestion, big-data storage, and integration through a modern, scalable architecture. SiteWhere provides REST APIs for all system functionality. SiteWhere provides SDKs for many common device platforms including Android, iOS, Arduino, and any Java-capable platform such as Raspberry Pi rapidly accelerating the speed of innovation.

Modelio is a modeling solution offering a wide range of functionalities based on the main standards of enterprise architecture, software development and systems engineering.

Ahead of time compiler for JVM bytecode targetting iOS, Mac OSX and Linux

Mural de vagas para desenvolvedores Java

Apache Artemis

A networking framework that evolves with your application

编程导航的新项目，基于 Vue 3 + Spring Boot + COS + WebSocket 的企业级智能协同云图库平台。项目应用场景广泛，可作为表情包网站、设计素材网站、壁纸网站、个人云盘、企业活动相册等。用户可以在平台公开上传和检索图片素材；管理员可以上传、审核和管理分析图片；个人用户可将图片上传至私有空间进行批量管理、检索、编辑和分析；企业可开通团队空间并邀请成员，共享图片并实时协同编辑图片。技术栈包括 MySQL 分库分表、Redis + Caffeine 多级缓存、COS 对象存储、Sa-Token 权限控制、DDD 领域驱动设计、WebSocket 实时通讯、JUC、Disruptor、AI 绘图大模型、设计模式等。从 0 到 1 的真实企业级项目设计开发，绝对让你收获满满

Open source business application platform for fast development

Elide is a Java library that lets you stand up a GraphQL/JSON-API web service with minimal effort.

Apache Flink Kubernetes Operator

Digital Signature Service : creation, extension and validation of advanced electronic signatures

Eloquent ORM for Java 8, 11, 17, 21, 23 and Spring boot 2.x , 3.x