awesome-java

A curated list of awesome Java frameworks, libraries and software.

• Snailclimb/JavaGuide - 「Java学习+面试指南」一份涵盖大部分 Java 程序员所需要掌握的核心知识。准备 Java 面试，首选 JavaGuide！
• iluwatar/java-design-patterns - Design patterns implemented in Java
• doocs/advanced-java - 😮 Core Interview Questions & Answers For Experienced Java(Backend) Developers | 互联网 Java 工程师进阶知识完全扫盲：涵盖高并发、分布式、高可用、微服务、海量数据处理等领域知识
• spring-projects/spring-boot - Spring Boot
• macrozheng/mall - mall项目是一套电商系统，包括前台商城系统及后台管理系统，基于SpringBoot+MyBatis实现，采用Docker容器化部署。 前台商城系统包含首页门户、商品推荐、商品搜索、商品展示、购物车、订单流程、会员中心、客户服务、帮助中心等模块。 后台管理系统包含商品管理、订单管理、会员管理、促销管理、运营管理、内容管理、统计报表、财务管理、权限管理、设置等模块。
• elastic/elasticsearch - Free and Open, Distributed, RESTful Search Engine
• kdn251/interviews - Everything you need to know to get the job.
• TheAlgorithms/Java - All Algorithms implemented in Java
• ReactiveX/RxJava - RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.
• google/guava - Google core libraries for Java
• PhilJay/MPAndroidChart - A powerful 🚀 Android chart view / graph view library, supporting line- bar- pie- radar- bubble- and candlestick charts as well as scaling, panning and animations.
• skylot/jadx - Dex to Java decompiler
• alibaba/arthas - Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas
• zxing/zxing - ZXing ("Zebra Crossing") barcode scanning library for Java, Android
• dbeaver/dbeaver - Free universal database tool and SQL client
• ityouknow/spring-boot-examples - about learning Spring Boot via examples. Spring Boot 教程、技术栈示例代码，快速简单上手教程。
• xkcoding/spring-boot-demo - 🚀一个用来深入学习并实战 Spring Boot 的项目。
• crossoverJie/JCSprout - 👨‍🎓 Java Core Sprout : basic, concurrent, algorithm
• alibaba/easyexcel - 快速、简洁、解决大文件内存溢出的java处理Excel工具
• SeleniumHQ/selenium - A browser automation framework and ecosystem.
• alibaba/fastjson - FASTJSON 2.0.x has been released, faster and more secure, recommend you upgrade.
• dromara/hutool - 🍬A set of tools that keep Java sweet.
• alibaba/spring-cloud-alibaba - Spring Cloud Alibaba provides a one-stop solution for application development for the distributed solutions of Alibaba middleware.
• greenrobot/EventBus - Event bus for Android and Java that simplifies communication between Activities, Fragments, Threads, Services, etc. Less code, better quality.
• hollischuang/toBeTopJavaer - To Be Top Javaer - Java工程师成神之路
• xuxueli/xxl-job - A distributed task scheduling framework.（分布式任务调度平台XXL-JOB）
• google/gson - A Java serialization/deserialization library to convert Java Objects into JSON and back
• libgdx/libgdx - Desktop/Android/HTML5/iOS Java game development framework
• apache/flink - Apache Flink
• alibaba/Sentinel - A powerful flow control component enabling reliability, resilience and monitoring for microservices. (面向云原生微服务的高可用流控防护组件)
• java-decompiler/jd-gui - A standalone Java Decompiler GUI
• Grasscutters/Grasscutter - A server software reimplementation for a certain anime game.
• projectlombok/lombok - Very spicy additions to the Java programming language.
• google/guice - Guice (pronounced 'juice') is a lightweight dependency injection framework for Java 8 and above, brought to you by Google.
• Yalantis/uCrop - Image Cropping Library for Android
• codecentric/spring-boot-admin - Admin UI for administration of spring boot applications
• realm/realm-java - Realm is a mobile database: a replacement for SQLite & ORMs
• androidannotations/androidannotations - Fast Android Development. Easy maintainance.
• permissions-dispatcher/PermissionsDispatcher - A declarative API to handle Android runtime permissions.
• quarkusio/quarkus - Quarkus: Supersonic Subatomic Java.
• apache/zookeeper - Apache ZooKeeper
• dromara/Sa-Token - 这可能是史上功能最全的Java权限认证框架！目前已集成——登录认证、权限认证、分布式Session会话、微服务网关鉴权、单点登录、OAuth2.0、踢人下线、Redis集成、前后台分离、记住我模式、模拟他人账号、临时身份切换、账号封禁、多账号认证体系、注解式鉴权、路由拦截式鉴权、花式token生成、自动续签、同端互斥登录、会话治理、密码加密、jwt集成、Spring集成、WebFlux集成...
• frank-lam/fullstack-tutorial - 🚀 fullstack tutorial 2022，后台技术栈/架构师之路/全栈开发社区，春招/秋招/校招/面试
• redis/jedis - Redis Java client designed for performance and ease of use.
• android-async-http/android-async-http - This project under develop
• code4craft/webmagic - A scalable web crawler framework for Java.
• DuGuQiuBai/Java - 27天成为Java大神
• pxb1988/dex2jar - Tools to work with android .dex and java .class files
• careercup/CtCI-6th-Edition - Cracking the Coding Interview 6th Ed. Solutions
• chefyuan/algorithm-base - 一位酷爱做饭的程序员，立志用动画将算法说的通俗易懂。我的面试网站 www.chengxuchu.com
• grpc/grpc-java - The Java gRPC implementation. HTTP/2 based RPC
• square/javapoet - A Java API for generating .java source files.
• google/auto - A collection of source code generators for Java.
• jhy/jsoup - jsoup: the Java HTML parser, built for HTML editing, cleaning, scraping, and XSS safety.
• apereo/cas - Apereo CAS - Identity & Single Sign On for all earthlings and beyond.
• kunal-kushwaha/DSA-Bootcamp-Java - This repository consists of the code samples, assignments, and notes for the Java Data Structures & Algorithms bootcamp of Community Classroom.
• questdb/questdb - An open source time-series database for fast ingest and SQL queries
• wasabeef/glide-transformations - An Android transformation library providing a variety of image transformations for Glide.
• macrozheng/mall-swarm - mall-swarm是一套微服务商城系统，采用了 Spring Cloud 2021 & Alibaba、Spring Boot 2.7、Oauth2、MyBatis、Docker、Elasticsearch、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。文档齐全，附带全套Spring Cloud教程。
• newbee-ltd/newbee-mall - 🔥 🎉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+Vuex 4+Vant 3) 、秒杀版本、Go语言版本、微服务版本(Spring Cloud Alibaba+Nacos+Sentinel+Seata+Spring Cloud Gateway+OpenFeign)。 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。
• TooTallNate/Java-WebSocket - A barebones WebSocket client and server implementation written in 100% Java.
• perwendel/spark - A simple expressive web framework for java. Spark has a kotlin DSL https://github.com/perwendel/spark-kotlin
• lihengming/spring-boot-api-project-seed - 🌱🚀一个基于Spring Boot & MyBatis的种子项目，用于快速构建中小型API、RESTful API项目~
• lzyzsd/JsBridge - android java and javascript bridge, inspired by wechat webview jsbridge
• OpenRefine/OpenRefine - OpenRefine is a free, open source power tool for working with messy data and improving it
• doocs/jvm - 🤗 JVM 底层原理最全知识总结
• Activiti/Activiti - Activiti is a light-weight workflow and Business Process Management (BPM) Platform targeted at business people, developers and system admins. Its core is a super-fast and rock-solid BPMN 2 process engine for Java. It's open-source and distributed under the Apache license. Activiti runs in any Java application, on a server, on a cluster or in the cloud. It integrates perfectly with Spring, it is extremely lightweight and based on simple concepts.
• stanfordnlp/CoreNLP - Stanford CoreNLP: A Java suite of core NLP tools.
• airbytehq/airbyte - Data integration pipelines from APIs, databases & files to warehouses & lakes.
• jwtk/jjwt - Java JWT: JSON Web Token for Java and Android
• cats-oss/android-gpuimage - Android filters based on OpenGL (idea from GPUImage for iOS)
• cryptomator/cryptomator - Multi-platform transparent client-side encryption of your files in the cloud
• Blankj/awesome-java-leetcode - 👑 LeetCode of algorithms with java solution(updating).
• OpenFeign/feign - Feign makes writing java http clients easier
• facebook/buck - A fast build system that encourages the creation of small, reusable modules over a variety of platforms and languages.
• roughike/BottomBar - (Deprecated) A custom view component that mimics the new Material Design Bottom Navigation pattern.
• junit-team/junit4 - A programmer-oriented testing framework for Java.
• dropwizard/dropwizard - A damn simple library for building production-ready RESTful web services.
• florent37/MaterialViewPager - A Material Design ViewPager easy to use library
• yuliskov/SmartTubeNext - Ad free app for watching tube videos on Android TV boxes
• hs-web/hsweb-framework - hsweb (haʊs wɛb) 是一个基于spring-boot 2.x开发 ,首个使用全响应式编程的企业级后台管理系统基础项目。
• apache/cassandra - Mirror of Apache Cassandra
• dropwizard/metrics - 📈 Capturing JVM- and application-level metrics. So you know what's going on.
• supertokens/supertokens-core - Open source alternative to Auth0 / Firebase Auth / AWS Cognito
• kaushikgopal/RxJava-Android-Samples - Learning RxJava for Android by example
• java-native-access/jna - Java Native Access
• json-path/JsonPath - Java JsonPath implementation
• apache/shenyu - Apache ShenYu is a Java native API Gateway for service proxy, protocol conversion and API governance.
• checkstyle/checkstyle - Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly configurable. It can be invoked with an ANT task and a command line program.
• vipshop/vjtools - The vip.com's java coding standard, libraries and tools
• square/dagger - A fast dependency injector for Android and Java.
• spring-projects/spring-security - Spring Security
• Bearded-Hen/Android-Bootstrap - Bootstrap style widgets for Android, with Glyph Icons
• cymcsg/UltimateRecyclerView - A RecyclerView(advanced and flexible version of ListView in Android) with refreshing,loading more,animation and many other features.
• sohutv/cachecloud - 搜狐视频(sohu tv)Redis私有云平台 ：支持Redis多种架构(Standalone、Sentinel、Cluster)高效管理、有效降低大规模redis运维成本，提升资源管控能力和利用率。平台提供快速搭建/迁移，运维管理，弹性伸缩，统计监控，客户端整合接入等功能。(CacheCloud is a Redis cloud management platform. It supports Standalone, Sentinel, and Cluster architectures for Redis, effectively reducing large-scale Redis operation and maintenance costs, and improving resource management and utilization. The platform provides rapid construction/migration, operation and maintenance management, elastic scaling, statistical monitoring, client integration and access and other functions)
• google/android-classyshark - Android and Java bytecode viewer
• swagger-api/swagger-core - Examples and server integrations for generating the Swagger API Specification, which enables easy access to your REST API
• PaperMC/Paper - High performance Spigot fork that aims to fix gameplay and mechanics inconsistencies
• flyway/flyway - Flyway by Redgate • Database Migrations Made Easy.
• trinodb/trino - Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)
• apache/jmeter - Apache JMeter open-source load testing tool for analyzing and measuring the performance of a variety of services
• testcontainers/testcontainers-java - 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.
• LawnchairLauncher/lawnchair - No clever tagline needed.
• awsdocs/aws-doc-sdk-examples - Welcome to the AWS Code Examples Repository. This repo contains code examples used in the AWS documentation, AWS SDK Developer Guides, and more. For more information, see the Readme.md file below.
• NanoHttpd/nanohttpd - Tiny, easily embeddable HTTP server in Java.
• apache/storm - Mirror of Apache Storm
• apache/tomcat - Apache Tomcat
• bytedeco/javacv - Java interface to OpenCV, FFmpeg, and more
• processing/processing - Source code for the Processing Core and Development Environment (PDE)
• google/error-prone - Catch common Java mistakes as compile-time errors
• NLPchina/ansj_seg - 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
• real-logic/aeron - Efficient reliable UDP unicast, UDP multicast, and IPC message transport
• rest-assured/rest-assured - Java DSL for easy testing of REST services
• apache/beam - Apache Beam is a unified programming model for Batch and Streaming data processing.
• opensearch-project/OpenSearch - 🔎 Open source distributed and RESTful search engine.
• rey5137/material - A library to bring fully animated Material Design components to pre-Lolipop Android.
• AsyncHttpClient/async-http-client - Asynchronous Http and WebSocket Client library for Java
• sshahine/JFoenix - JavaFX Material Design Library
• mrniko/netty-socketio - Socket.IO server implemented on Java. Realtime java framework
• Netflix/conductor - Conductor is a microservices orchestration engine.
• google/j2objc - A Java to iOS Objective-C translation tool and runtime.
• alibaba/transmittable-thread-local - 📌 TransmittableThreadLocal (TTL), the missing Java™ std lib(simple & 0-dependency) for framework/middleware, provide an enhanced InheritableThreadLocal that transmits values between threads even using thread pooling components.
• frohoff/ysoserial - A proof-of-concept tool for generating payloads that exploit unsafe Java object deserialization.
• joelittlejohn/jsonschema2pojo - Generate Java types from JSON or JSON Schema and annotate those types for data-binding with Jackson, Gson, etc
• flowable/flowable-engine - A compact and highly efficient workflow and Business Process Management (BPM) platform for developers, system admins and business users.
• apache/zeppelin - Web-based notebook that enables data-driven, interactive data analytics and collaborative documents with SQL, Scala and more.
• MinecraftForge/MinecraftForge - Modifications to the Minecraft base files to assist in compatibility between mods.
• prolificinteractive/material-calendarview - A Material design back port of Android's CalendarView
• amitshekhariitbhu/from-java-to-kotlin - From Java To Kotlin - Your Cheat Sheet For Java To Kotlin
• febsteam/FEBS-Shiro - Spring Boot 2.4.2，Shiro1.6.0 & Layui 2.5.6 权限管理系统。
• mapstruct/mapstruct - An annotation processor for generating type-safe bean mappers
• h2pl/Java-Tutorial - 【Java工程师面试复习指南】本仓库涵盖大部分Java程序员所需要掌握的核心知识，整合了互联网上的很多优质Java技术文章，力求打造为最完整最实用的Java开发者学习指南，如果对你有帮助，给个star告诉我吧，谢谢！
• springfox/springfox - Automated JSON API documentation for API's built with Spring
• JakeWharton/DiskLruCache - Java implementation of a Disk-based LRU cache which specifically targets Android compatibility.
• liyifeng1994/ssm - 手把手教你整合最优雅SSM框架：SpringMVC + Spring + MyBatis
• graphql-java/graphql-java - GraphQL Java implementation
• robolectric/robolectric - Android Unit Testing Framework
• micronaut-projects/micronaut-core - Micronaut Application Framework
• changmingxie/tcc-transaction - tcc-transaction是TCC型事务java实现
• junit-team/junit5 - ✅ The 5th major version of the programmer-friendly testing framework for Java and the JVM
• macrozheng/springcloud-learning - 一套涵盖大部分核心组件使用的Spring Cloud教程，包括Spring Cloud Alibaba及分布式事务Seata，基于Spring Cloud Greenwich及SpringBoot 2.1.7。篇篇精华，涵盖大部分应用场景。
• sockeqwe/mosby - A Model-View-Presenter / Model-View-Intent library for modern Android apps
• facebookarchive/rebound - A Java library that models spring dynamics and adds real world physics to your app.
• Vedenin/useful-java-links - A list of useful Java frameworks, libraries, software and hello worlds examples
• evant/gradle-retrolambda - A gradle plugin for getting java lambda support in java 6, 7 and android
• wasabeef/Blurry - Blurry is an easy blur library for Android
• scribejava/scribejava - Simple OAuth library for Java
• raphw/byte-buddy - Runtime code generation for the Java virtual machine.
• btraceio/btrace - BTrace - a safe, dynamic tracing tool for the Java platform
• wiremock/wiremock - A tool for mocking HTTP services
• jOOQ/jOOQ - jOOQ is the best way to write SQL in Java
• fuzhengwei/itstack-demo-design - 🎨 《重学Java设计模式》是一本互联网真实案例实践书籍。以落地解决方案为核心，从实际业务中抽离出，交易、营销、秒杀、中间件、源码等22个真实场景，来学习设计模式的运用。欢迎关注小傅哥，微信(fustack)，公众号：bugstack虫洞栈，博客：https://bugstack.cn
• Yalantis/Side-Menu.Android - Side menu with some categories to choose.
• microg/GmsCore - Free implementation of Play Services
• hibernate/hibernate-orm - Hibernate's core Object/Relational Mapping functionality
• ffay/lanproxy - lanproxy是一个将局域网个人电脑、服务器代理到公网的内网穿透工具，支持tcp流量转发，可支持任何tcp上层协议（访问内网网站、本地支付接口调试、ssh访问、远程桌面、http代理、https代理、socks5代理...）。技术交流QQ群 736294209
• hazelcast/hazelcast - Open-source distributed computation and storage platform
• cabaletta/baritone - google maps for block game
• AriaLyy/Aria - 下载可以很简单
• gephi/gephi - Gephi - The Open Graph Viz Platform
• vavr-io/vavr - vʌvr (formerly called Javaslang) is a non-commercial, non-profit object-functional library that runs with Java 8+. It aims to reduce the lines of code and increase code quality.
• socketio/socket.io-client-java - Full-featured Socket.IO Client Library for Java, which is compatible with Socket.IO v1.0 and later.
• auth0/java-jwt - Java implementation of JSON Web Token (JWT)
• amitshekhariitbhu/RxJava2-Android-Samples - RxJava 2 Android Examples - How to use RxJava 2 in Android
• orhanobut/dialogplus - Advanced dialog solution for android
• Ramotion/folding-cell-android - 📃 FoldingCell is a material design expanding content cell inspired by folding paper material made by @Ramotion
• JodaOrg/joda-time - Joda-Time is the widely used replacement for the Java date and time classes prior to Java SE 8.
• kiegroup/drools - Drools is a rule engine, DMN engine and complex event processing (CEP) engine for Java.
• mcxiaoke/packer-ng-plugin - 下一代Android打包工具（对Gradle 7.x的支持，欢迎提PR）
• lettuce-io/lettuce-core - Advanced Java Redis client for thread-safe sync, async, and reactive usage. Supports Cluster, Sentinel, Pipelining, and codecs.
• google/google-java-format - Reformats Java source code to comply with Google Java Style.
• apache/hbase - Apache HBase
• spring-cloud/spring-cloud-netflix - Integration with Netflix OSS components
• nisrulz/android-tips-tricks - ☑️ [Cheatsheet] Tips and tricks for Android Development
• apache/camel - Apache Camel is an open source integration framework that empowers you to quickly and easily integrate various systems consuming or producing data.
• jankotek/mapdb - MapDB provides concurrent Maps, Sets and Queues backed by disk storage or off-heap-memory. It is a fast and easy to use embedded Java database engine.
• deathmarine/Luyten - An Open Source Java Decompiler Gui for Procyon
• xiaojieonly/Ehviewer_CN_SXJ - ehviewer，用爱发电，快乐前行
• dromara/lamp-cloud - lamp-cloud 基于Jdk11 + SpringCloud + SpringBoot 开发的微服务中后台快速开发平台，专注于多租户(SaaS架构)解决方案，亦可作为普通项目（非SaaS架构）的基础开发框架使用，目前已实现插拔式数据库隔离、SCHEMA隔离、字段隔离 等租户隔离方案。
• SplashCodes/JAViewer - 更优雅的驾车体验
• apache/hive - Apache Hive
• cglib/cglib - cglib - Byte Code Generation Library is high level API to generate and transform Java byte code. It is used by AOP, testing, data access frameworks to generate dynamic proxy objects and intercept field access.
• 2227324689/gpmall - 【咕泡学院实战项目】-基于SpringBoot+Dubbo构建的电商平台-微服务架构、商城、电商、微服务、高并发、kafka、Elasticsearch
• bitcoinj/bitcoinj - A library for working with Bitcoin
• puniverse/quasar - Fibers, Channels and Actors for the JVM
• hansonwang99/Spring-Boot-In-Action - Spring Boot 系列实战合集
• javaparser/javaparser - Java 1-15 Parser and Abstract Syntax Tree for Java, including preview features to Java 13
• ZHENFENG13/spring-boot-projects - 🔥 该仓库中主要是 Spring Boot 的入门学习教程以及一些常用的 Spring Boot 实战项目教程，包括 Spring Boot 使用的各种示例代码，同时也包括一些实战项目的项目源码和效果展示，实战项目包括基本的 web 开发以及目前大家普遍使用的线上博客项目/企业大型商城系统/前后端分离实践项目等，摆脱各种 hello world 入门案例的束缚，真正的掌握 Spring Boot 开发。
• zhanglei-workspace/shopping-management-system - 该项目为多个小项目的集合（持续更新中...）。内容类似淘宝、京东等网购管理系统以及图书管理、超市管理等系统。目的在于便于Java初级爱好者在学习完某一部分Java知识后有一个合适的项目锻炼、运用所学知识，完善知识体系。适用人群：Java基础到入门的爱好者。
• coobird/thumbnailator - Thumbnailator - a thumbnail generation library for Java
• web3j/web3j - Lightweight Java and Android library for integration with Ethereum clients
• Col-E/Recaf - The modern Java bytecode editor
• javagrowing/JGrowing - Java is Growing up but not only Java。Java成长路线，但学到不仅仅是Java。
• ronmamo/reflections - Java runtime metadata analysis
• awangdev/leet-code - Java Solutions to problems on LintCode/LeetCode
• apache/pinot - Apache Pinot - A realtime distributed OLAP datastore
• itwanger/toBeBetterJavaer - 一份通俗易懂、风趣幽默的Java学习指南，内容涵盖Java基础、Java并发编程、Java虚拟机、Java企业级开发、Java面试等核心知识点。学Java，就认准Java 程序员进阶之路😄
• TeamAmaze/AmazeFileManager - Material design file manager for Android
• stleary/JSON-java - A reference implementation of a JSON package in Java.
• j-easy/easy-rules - The simple, stupid rules engine for Java
• bisq-network/bisq - A decentralized bitcoin exchange network
• iNPUTmice/Conversations - Conversations is an open source XMPP/Jabber client for Android
• phishman3579/java-algorithms-implementation - Algorithms and Data Structures implemented in Java
• vespa-engine/vespa - The open big data serving engine. https://vespa.ai
• objectbox/objectbox-java - Java Database for Mobile & IoT - fast and lightweight
• chewiebug/GCViewer - Fork of tagtraum industries' GCViewer. Tagtraum stopped development in 2008, I aim to improve support for Sun's / Oracle's java 1.6+ garbage collector logs (including G1 collector)
• pmd/pmd - An extensible multilanguage static code analyzer.
• CalebFenton/simplify - Android virtual machine and deobfuscator
• brianway/java-learning - 旨在打造在线最佳的 Java 学习笔记，含博客讲解和源码实例，包括 Java SE 和 Java Web
• JSQLParser/JSqlParser - JSqlParser parses an SQL statement and translate it into a hierarchy of Java classes. The generated hierarchy can be navigated using the Visitor Pattern
• Yalantis/Phoenix - Phoenix Pull-to-Refresh
• querydsl/querydsl - Unified Queries for Java
• LWJGL/lwjgl3 - LWJGL is a Java library that enables cross-platform access to popular native APIs useful in the development of graphics (OpenGL, Vulkan, bgfx), audio (OpenAL, Opus), parallel computing (OpenCL, CUDA) and XR (OpenVR, LibOVR, OpenXR) applications.
• apache/shiro - Apache Shiro
• tiann/epic - Dynamic java method AOP hook for Android(continution of Dexposed on ART), Supporting 5.0~11
• bytedeco/javacpp - The missing bridge between Java and native C++
• rengwuxian/RxJavaSamples - RxJava 2 和 Retrofit 结合使用的几个最常见使用方式举例
• oblac/jodd - Jodd! Lightweight. Java. Zero dependencies. Use what you like.
• remkop/picocli - Picocli is a modern framework for building powerful, user-friendly, GraalVM-enabled command line apps with ease. It supports colors, autocompletion, subcommands, and more. In 1 source file so apps can include as source & avoid adding a dependency. Written in Java, usable from Groovy, Kotlin, Scala, etc.
• mock-server/mockserver - MockServer enables easy mocking of any system you integrate with via HTTP or HTTPS with clients written in Java, JavaScript and Ruby. MockServer also includes a proxy that introspects all proxied traffic including encrypted SSL traffic and supports Port Forwarding, Web Proxying (i.e. HTTP proxy), HTTPS Tunneling Proxying (using HTTP CONNECT) and SOCKS Proxying (i.e. dynamic port forwarding).
• powermock/powermock - PowerMock is a Java framework that allows you to unit test code normally regarded as untestable.
• graphhopper/graphhopper - Open source routing engine for OpenStreetMap. Use it as Java library or standalone web server.
• oldmanpushcart/greys-anatomy - Java诊断工具
• RedSpider1/concurrent - 这是RedSpider社区成员原创与维护的Java多线程系列文章。
• DiUS/java-faker - Brings the popular ruby faker gem to Java
• saysky/ForestBlog - 一个简单漂亮的SSM(Spring+SpringMVC+Mybatis)博客系统
• failsafe-lib/failsafe - Fault tolerance and resilience patterns for the JVM
• zlt2000/microservices-platform - 基于SpringBoot2.x、SpringCloud和SpringCloudAlibaba并采用前后端分离的企业级微服务多租户系统架构。并引入组件化的思想实现高内聚低耦合，项目代码简洁注释丰富上手容易，适合学习和企业中使用。真正实现了基于RBAC、jwt和oauth2的无状态统一权限认证的解决方案，面向互联网设计同时适合B端和C端用户，支持CI/CD多环境部署，并提供应用管理方便第三方系统接入；同时还集合各种微服务治理功能和监控功能。模块包括:企业级的认证系统、开发平台、应用监控、慢sql监控、统一日志、单点登录、Redis分布式高速缓存、配置中心、分布式任务调度、接口文档、代码生成等等。
• traccar/traccar - Traccar GPS Tracking System
• PowerJob/PowerJob - Enterprise job scheduling middleware with distributed computing ability.
• alibaba/QLExpress - QLExpress is a powerful, lightweight, dynamic language for the Java platform aimed at improving developers’ productivity in different business scenes.
• spring-cloud/spring-cloud-gateway - A Gateway built on Spring Framework and Spring Boot providing routing and more.
• alibaba/dragonwell8 - Alibaba Dragonwell8 JDK
• jeecgboot/JimuReport - ⭐️「低代码可视化报表」类似excel操作风格，在线拖拽完成设计！功能涵盖: 报表设计、图形报表、打印设计、大屏设计等，完全免费！秉承“简单、易用、专业”的产品理念，极大的降低报表开发难度、缩短开发周期、解决各类报表难题。
• jitsi/jitsi - Jitsi is an audio/video and chat communicator that supports protocols such as SIP, XMPP/Jabber, IRC and many other useful features.
• oracle/opengrok - OpenGrok is a fast and usable source code search and cross reference engine, written in Java
• google/open-location-code - Open Location Code is a library to generate short codes, called "plus codes", that can be used as digital addresses where street addresses don't exist.
• mybatis/spring-boot-starter - MyBatis integration with Spring Boot
• 981011512/-- - 停车场系统源码，新能源充电桩系统，停车场小程序，智能停车，Parking system，【功能介绍】：①兼容市面上主流的多家相机，理论上兼容所有硬件，可灵活扩展，②相机识别后数据自动上传到云端并记录，校验相机唯一id和硬件序列号，防止非法数据录入，③用户手机查询停车记录详情可自主缴费(支持微信，支付宝，银行接口支付，支持每个停车场指定不同的商户进行收款)，支付后出场在免费时间内会自动抬杆。④支持app上查询附近停车场(导航，可用车位数，停车场费用，优惠券，评分，评论等)，可预约车位。⑤断电断网支持岗亭人员使用app可接管硬件进行停车记录的录入。 【技术架构】：后端开发语言java，框架oauth2+springboot2+dubble，数据库mysql/mongodb/redis，即时通讯底层框架netty4，安卓和ios均为原生开发，后台管理模板vue专业定制
• jboss-javassist/javassist - Java bytecode engineering toolkit
• alibaba/jetcache - JetCache is a Java cache framework.
• yangfuhai/ASimpleCache - a simple cache for android and java
• NotFound9/interviewGuide - 推荐刷题网站: https://www.lintcode.com/?utm_source=tf-github-NotFound2022 点此领取7天VIP会员：https://www.lintcode.com/vip/activity/z1qgMH 《大厂面试指北》——包括Java基础、JVM、数据库、mysql、redis、计算机网络、算法、数据结构、操作系统、设计模式、系统设计、框架原理。
• micrometer-metrics/micrometer - An application metrics facade for the most popular monitoring tools. Think SLF4J, but for metrics.
• mercyblitz/tech-weekly - 「小马哥技术周报」
• sofastack/sofa-rpc - SOFARPC is a high-performance, high-extensibility, production-level Java RPC framework.
• Atmosphere/atmosphere - Event Driven WebSockets Framework with Cross-Browser Fallbacks
• GeyserMC/Geyser - A bridge/proxy allowing you to connect to Minecraft: Java Edition servers with Minecraft: Bedrock Edition.
• CameraKit/blurkit-android - The missing Android blurring library. Fast blur-behind layout that parallels iOS.
• knowm/XChange - XChange is a Java library providing a streamlined API for interacting with 60+ Bitcoin and Altcoin exchanges providing a consistent interface for trading and accessing market data.
• mpusher/mpush - MPush开源实时消息推送系统
• johncarl81/parceler - 📦 Android Parcelables made easy through code generation.
• liquibase/liquibase - Main Liquibase Source
• qunarcorp/bistoury - 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
• luontola/retrolambda - Backport of Java 8's lambda expressions to Java 7, 6 and 5
• promeG/TinyPinyin - 适用于Java和Android的快速、低内存占用的汉字转拼音库。
• h2database/h2database - H2 is an embeddable RDBMS written in Java.
• apache/nifi - Apache NiFi
• fuzhengwei/small-spring - 🌱《 Spring 手撸专栏》，本专栏以 Spring 源码学习为目的，通过手写简化版 Spring 框架，了解 Spring 核心原理。在手写的过程中会简化 Spring 源码，摘取整体框架中的核心逻辑，简化代码实现过程，保留核心功能，例如：IOC、AOP、Bean生命周期、上下文、作用域、资源处理等内容实现。
• jagrosh/MusicBot - 🎶 A Discord music bot that's easy to set up and run yourself!
• apache/calcite - Apache Calcite
• youlookwhat/DesignPattern - 📚 Java 23种设计模式全归纳
• liuyubobobo/Play-with-Algorithms - Codes of my MOOC Course , Both in C++ and Java language. Updated contents and practices are also included. 我在慕课网上的课程《算法与数据结构》示例代码，包括C++和Java版本。课程的更多更新内容及辅助练习也将逐步添加进这个代码仓。
• PojavLauncherTeam/PojavLauncher - A Minecraft: Java Edition Launcher for Android and iOS based on Boardwalk. This repository contains source code for Android platform.
• oshi/oshi - Native Operating System and Hardware Information
• eclipse/jetty.project - Eclipse Jetty® - Web Container & Clients - supports HTTP/2, HTTP/1.1, HTTP/1.0, websocket, servlets, and more
• jetlinks/jetlinks-community - JetLinks 基于Java8,Spring Boot 2.x ,WebFlux,Netty,Vert.x,Reactor等开发, 是一个全响应式的企业级物联网平台。支持统一物模型管理,多种设备,多种厂家,统一管理。统一设备连接管理,多协议适配(TCP,MQTT,UDP,CoAP,HTTP等),屏蔽网络编程复杂性,灵活接入不同厂家不同协议等设备。实时数据处理,设备告警,消息通知,数据转发。地理位置,数据可视化等。能帮助你快速建立物联网相关业务系统。
• fishercoder1534/Leetcode - Solutions to LeetCode problems; updated daily. Subscribe to my YouTube channel for more.
• jbloch/effective-java-3e-source-code - The source code from the third edition of Effective Java, with minor additions as necessary to make it runnable.
• networknt/light-4j - A fast, lightweight and more productive microservices framework
• jacoco/jacoco - 🔬 Java Code Coverage Library
• MovingBlocks/Terasology - Terasology - open source voxel world
• 201206030/novel - novel 是一套基于时下最新 Java 技术栈 Spring Boot 3 + Vue 3 开发的前后端分离学习型小说项目，配备保姆级教程手把手教你从零开始开发上线一套生产级别的 Java 系统，由小说门户系统、作家后台管理系统、平台后台管理系统等多个子系统构成。包括小说推荐、作品检索、小说排行榜、小说阅读、小说评论、会员中心、作家专区、充值订阅、新闻发布等功能。
• killme2008/aviatorscript - A high performance scripting language hosted on the JVM.
• DV8FromTheWorld/JDA - Java wrapper for the popular chat & VOIP service: Discord https://discord.com
• sherxon/AlgoDS - Implementation of Algorithms and Data Structures, Problems and Solutions
• apache/maven - Apache Maven core
• rubenlagus/TelegramBots - Java library to create bots using Telegram Bots API
• opengoofy/hippo4j - 📌 强大的动态线程池框架，附带监控报警功能。支持 JDK、Tomcat、Jetty、Undertow 线程池；Dubbo、Dubbox、RabbitMQ、RocketMQ、Hystrix 消费线程池（更多框架线程池还在适配中）。内置两种使用模式：轻量级依赖配置中心以及无中间件依赖版本。
• DTStack/chunjun - A data integration framework
• xManager-v2/xManager-Spotify - An android application where you can manage and install all versions of the spotify app.
• kevinsawicki/http-request - Java HTTP Request Library
• fyhertz/libstreaming - A solution for streaming H.264, H.263, AMR, AAC using RTP on Android
• spockframework/spock - The Enterprise-ready testing and specification framework.
• gz-yami/mall4j - ⭐️⭐️⭐️ 电商商城 java电商商城系统 uniapp商城 多用户商城
• chenBingX/SuperTextView - Hi，Developer，Welcome to use SuperTextView ！
• anggrayudi/android-hidden-api - A library that provides access to Android hidden APIs and internal resources.
• ragunathjawahar/android-saripaar - UI form validation library for Android
• awaitility/awaitility - Awaitility is a small Java DSL for synchronizing asynchronous operations
• RipMeApp/ripme - Downloads albums in bulk
• nayuki/QR-Code-generator - High-quality QR Code generator library in Java, TypeScript/JavaScript, Python, Rust, C++, C.
• jMonkeyEngine/jmonkeyengine - A complete 3-D game development suite written in Java.
• WritingMinds/ffmpeg-android-java - Android java library for FFmpeg binary compiled using https://github.com/writingminds/ffmpeg-android
• lenve/JavaEETest - Spring、SpringMVC、MyBatis、Spring Boot案例
• uber/NullAway - A tool to help eliminate NullPointerExceptions (NPEs) in your Java code with low build-time overhead
• immutables/immutables - Annotation processor to create immutable objects and builders. Feels like Guava's immutable collections but for regular value objects. JSON, Jackson, Gson, JAX-RS integrations included
• spring-cloud/spring-cloud-kubernetes - Kubernetes integration with Spring Cloud Discovery Client, Configuration, etc...
• jfinal/jfinal - JAVA WEB + ORM Framework
• tronprotocol/java-tron - Java implementation of the Tron whitepaper
• zq2599/blog_demos - CSDN博客专家程序员欣宸的github，这里有六百多篇原创文章的详细分类和汇总，以及对应的源码，内容涉及Java、Docker、Kubernetes、DevOPS等方面
• nextcloud/android - 📱 Nextcloud Android app
• Red5/red5-server - Red5 Server core
• guoguibing/librec - LibRec: A Leading Java Library for Recommender Systems, see
• requery/requery - requery - modern SQL based query & persistence for Java / Kotlin / Android
• gouthampradhan/leetcode - Leetcode solutions
• bitcoin-wallet/bitcoin-wallet - Bitcoin Wallet app for your Android device. Standalone Bitcoin node, no centralized backend required.
• ByteLegend/ByteLegend - Enjoy programming while playing a game.
• s4kibs4mi/java-developer-roadmap - Roadmap to becoming a Java developer in 2022
• jtablesaw/tablesaw - Java dataframe and visualization library
• sofastack/sofa-jraft - A production-grade java implementation of RAFT consensus algorithm.
• charles2gan/GDA-android-reversing-Tool - the fastest and most powerful android decompiler(native tool working without Java VM) for the APK, DEX, ODEX, OAT, JAR, AAR, and CLASS file. which supports malicious behavior detection, privacy leaking detection, vulnerability detection, path solving, packer identification, variable tracking, deobfuscation, python&java scripts, device memory extraction, data decryption, and encryption, etc.
• camunda/camunda-bpm-platform - Flexible framework for workflow and decision automation with BPMN and DMN. Integration with Spring, Spring Boot, CDI.
• Mojang/brigadier - Brigadier is a command parser & dispatcher, designed and developed for Minecraft: Java Edition.
• ZieIony/Carbon - Material Design implementation for Android 4.0+. Shadows, ripples, vectors, fonts, animations, widgets, rounded corners and more.
• mxdldev/android-mvp-mvvm-flytour - 🔥🔥🔥 FlyTour是Android MVVM+MVP+Dagger2+Retrofit+RxJava+组件化+插件组成的双编码架构+双工程架构+双语言Android应用开发框架，通过不断的升级迭代该框架已经有了十个不同的版本，5.0之前工程架构采用gradle配置实现组件化，5.0之后的工程架构采用VirtualAPK实现了插件化，5.0之前采用Java编码实现，5.0之后采用Kotlin编码实现，编码架构由MVVM和MVP组成，工程架构和编码架构及编码语言开发者可根据自己具体的项目实际需求去决定选择使用，该框架是Android组件化、Android插件化、Android MVP架构、Android MVVM架构的集大成者，帮助你快速的搭建自己的App项目开发框架，以便把主要的精力放在自己的项目的业务功能实现上，另外在长期的工作实践中总结整理大量的实用工具类在项目lib_common组件的util包当中方便大家调用。
• eclipse-openj9/openj9 - Eclipse OpenJ9: A Java Virtual Machine for OpenJDK that's optimized for small footprint, fast start-up, and high throughput. Builds on Eclipse OMR (https://github.com/eclipse/omr) and combines with the Extensions for OpenJDK for OpenJ9 repo.
• diffplug/spotless - Keep your code spotless
• kestra-io/kestra - Kestra is an infinitely scalable orchestration and scheduling platform, creating, running, scheduling, and monitoring millions of complex pipelines.
• yusugomori/DeepLearning - Deep Learning (Python, C, C++, Java, Scala, Go)
• apache/logging-log4j2 - Apache Log4j 2 is an upgrade to Log4j that provides significant improvements over its predecessor, Log4j 1.x, and provides many of the improvements available in Logback while fixing some inherent problems in Logback's architecture.
• jasonross/Nuwa - Nuwa, pure java implementation, can hotfix your android application.
• ltsopensource/light-task-scheduler - Distributed Scheduled Job Framework
• Sayi/poi-tl - Generate awesome word(docx) with template
• szerhusenBC/jwt-spring-security-demo - A demo for using JWT (Json Web Token) with Spring Security and Spring Boot 2
• geoserver/geoserver - Official GeoServer repository
• rememberber/WePush - 专注批量推送的小而美的工具，目前支持：模板消息-公众号、模板消息-小程序、微信客服消息、微信企业号/企业微信消息、阿里云短信、阿里大于模板短信 、腾讯云短信、云片网短信、E-Mail、HTTP请求、钉钉、华为云短信、百度云短信、又拍云短信、七牛云短信
• ZHENFENG13/My-Blog - 🌴A simple & beautiful blogging system implemented with spring-boot & thymeleaf & mybatis My Blog 是由 SpringBoot + Mybatis + Thymeleaf 等技术实现的 Java 博客系统，页面美观、功能齐全、部署简单及完善的代码，一定会给使用者无与伦比的体验
• AxonFramework/AxonFramework - Framework for Evolutionary Event-Driven Microservices on the JVM
• spotbugs/spotbugs - SpotBugs is FindBugs' successor. A tool for static analysis to look for bugs in Java code.
• bastillion-io/Bastillion - Bastillion is a web-based SSH console that centrally manages administrative access to systems. Web-based administration is combined with management and distribution of user's public SSH keys.
• apache/curator - Apache Curator
• helidon-io/helidon - Java libraries for writing microservices
• deepjavalibrary/djl - An Engine-Agnostic Deep Learning Framework in Java
• shopizer-ecommerce/shopizer - Shopizer java e-commerce software
• nanchen2251/RxJava2Examples - 🔥RxJava2 Examples —— 这可能是从 RxJava1 跳到 RxJava2（学习 RxJava2 ）最好的例子 Demo：https://github.com/nanchen2251/RxJava2Examples
• AweiLoveAndroid/CommonDevKnowledge - 🔥 🌟⭐⭐⭐ ⭐ 史上最全的BAT大厂Android面试题汇集，以及常用的Android开发的一些技能点，冷门知识点汇总，开发中遇到的坑汇总等干货。
• RoaringBitmap/RoaringBitmap - A better compressed bitset in Java
• google/binnavi - BinNavi is a binary analysis IDE that allows to inspect, navigate, edit and annotate control flow graphs and call graphs of disassembled code.
• FinalTeam/RxGalleryFinal - 图片选择库，单选/多选、拍照、裁剪、压缩，自定义。包括视频选择和录制。
• JabRef/jabref - Graphical Java application for managing BibTeX and biblatex (.bib) databases
• OpenHFT/Chronicle-Queue - Micro second messaging that stores everything to disk
• kiegroup/optaplanner - AI constraint solver in Java to optimize the vehicle routing problem, employee rostering, task assignment, maintenance scheduling, conference scheduling and other planning problems.
• florent37/ExpectAnim - Describe your animation and run !
• AdoptOpenJDK/jitwatch - Log analyser / visualiser for Java HotSpot JIT compiler. Inspect inlining decisions, hot methods, bytecode, and assembly. View results in the JavaFX user interface.
• apache/iotdb - Apache IoTDB
• tchiotludo/akhq - Kafka GUI for Apache Kafka to manage topics, topics data, consumers group, schema registry, connect and more...
• pedrovgs/Algorithms - Solutions for some common algorithm problems written in Java.
• fesh0r/fernflower - Unofficial mirror of FernFlower Java decompiler (All pulls should be submitted upstream)
• CoderLeixiaoshuai/java-eight-part - 『Java八股文』Java面试套路，Java进阶学习，打破内卷拿大厂Offer，升职加薪！
• Yalantis/GuillotineMenu-Android - Neat library, that provides a simple way to implement guillotine-styled animation
• real-logic/simple-binary-encoding - Simple Binary Encoding (SBE) - High Performance Message Codec
• javamelody/javamelody - JavaMelody : monitoring of JavaEE applications
• fabric8io/kubernetes-client - Java client for Kubernetes & OpenShift
• spring-projects/spring-data-elasticsearch - Provide support to increase developer productivity in Java when using Elasticsearch. Uses familiar Spring concepts such as a template classes for core API usage and lightweight repository style data access.
• lizhangqu/CoreLink - Android 开发中的日常积累
• brianway/webporter - 基于 webmagic 的 Java 爬虫应用
• williamfiset/DEPRECATED-data-structures - A collection of powerful data structures
• kabouzeid/Phonograph - A material designed music player for Android
• chanjarster/weixin-java-tools - 微信公众号、企业号Java SDK
• liweiwei1419/LeetCode-Solutions-in-Good-Style - 首页已经更新，希望能对大家有帮助。
• Twitter4J/Twitter4J - Twitter4J is an open-source Java library for the Twitter API.
• spotify/dockerfile-maven - MATURE: A set of Maven tools for dealing with Dockerfiles
• r0adkll/Slidr - Easily add slide to dismiss functionality to an Activity
• spring-projects/spring-loaded - Java agent that enables class reloading in a running JVM
• jOOQ/jOOR - jOOR - Fluent Reflection in Java jOOR is a very simple fluent API that gives access to your Java Class structures in a more intuitive way. The JDK's reflection APIs are hard and verbose to use. Other languages have much simpler constructs to access type meta information at runtime. Let us make Java reflection better.
• kubernetes-client/java - Official Java client library for kubernetes
• spotify/docker-maven-plugin - INACTIVE: A maven plugin for Docker
• JsonChao/Awesome-WanAndroid - ⚡致力于打造一款极致体验的 http://www.wanandroid.com/ 客户端，知识和美是可以并存的哦QAQn(≧▽≦)n
• EngineHub/WorldEdit - 🗺️ Minecraft map editor and mod
• BruceEckel/OnJava8-Examples - Code Examples for the book "On Java 8"
• sannies/mp4parser - A Java API to read, write and create MP4 files
• qos-ch/logback - The reliable, generic, fast and flexible logging framework for Java.
• camunda/zeebe - Distributed Workflow Engine for Microservices Orchestration
• yingLanNull/ShadowImageView - 🔥可以根据图片内容变阴影颜色，更加细腻的阴影效果 It can change color according to the picture, more delicate shadow effect
• VerbalExpressions/JavaVerbalExpressions - Java regular expressions made easy.
• Qihoo360/ArgusAPM - Powerful, comprehensive (Android) application performance management platform. 360线上移动性能检测平台
• igniterealtime/Openfire - An XMPP server licensed under the Open Source Apache License.
• RodneyShag/HackerRank_solutions - 317 efficient solutions to HackerRank problems
• Krupen/FabulousFilter - Android library to animate Floating Action Button to Bottom Sheet Dialog and vice-versa
• FudanNLP/fnlp - 中文自然语言处理工具包 Toolkit for Chinese natural language processing
• Ramotion/paper-onboarding-android - PaperOnboarding is a material design slider made by @Ramotion
• mybatis/spring - Spring integration for MyBatis 3
• google/truth - Fluent assertions for Java and Android
• coderbruis/JavaSourceCodeLearning - Java流行框架源码分析：Spring源码、SpringBoot源码、SpringAOP源码、SpringSecurity源码、SpringSecurity OAuth2源码、JDK源码、Netty源码
• dunwu/javacore - ☕ JavaCore 是对 Java 核心技术的经验总结。
• tdebatty/java-string-similarity - Implementation of various string similarity and distance algorithms: Levenshtein, Jaro-winkler, n-Gram, Q-Gram, Jaccard index, Longest Common Subsequence edit distance, cosine similarity ...
• mongodb/mongo-java-driver - The Java driver for MongoDB
• LibrePDF/OpenPDF - OpenPDF is a free Java library for creating and editing PDF files with a LGPL and MPL open source license. OpenPDF is based on a fork of iText. We welcome contributions from other developers. Please feel free to submit pull-requests and bugreports to this GitHub repository. ⛺
• JetBrains/skija - Java bindings for Skia
• cucumber/cucumber-jvm - Cucumber for the JVM
• javaee-samples/javaee7-samples - Java EE 7 Samples
• spring-projects/spring-data-jpa - Simplifies the development of creating a JPA-based data access layer.
• balysv/material-menu - Animations for Android L drawer, back, dismiss and check icons
• federicoiosue/Omni-Notes - Open source note-taking application for Android
• vdurmont/emoji-java - The missing emoji library for Java ❤️
• TNG/ArchUnit - A Java architecture test library, to specify and assert architecture rules in plain Java
• nutzam/nutz - Nutz -- Web Framework(Mvc/Ioc/Aop/Dao/Json) for ALL Java developer
• apache/nutch - Apache Nutch is an extensible and scalable web crawler
• AsamK/signal-cli - signal-cli provides an unofficial commandline and dbus interface for signalapp/libsignal-service-java
• soot-oss/soot - Soot - A Java optimization framework
• Docile-Alligator/Infinity-For-Reddit - A Reddit client for Android
• liyiorg/weixin-popular - 微信SDK JAVA (公众平台、开放平台、 商户平台、 服务商平台)
• docker-java/docker-java - Java Docker API Client
• thymeleaf/thymeleaf - Thymeleaf is a modern server-side Java template engine for both web and standalone environments.
• LinShunKang/MyPerf4J - High performance Java APM. Powered by ASM. Try it. Test it. If you feel its better, use it.
• real-logic/agrona - High Performance data structures and utility methods for Java
• square/tape - A lightning fast, transactional, file-based FIFO for Android and Java.
• xtuhcy/gecco - Easy to use lightweight web crawler（易用的轻量化网络爬虫）
• VictorAlbertos/RxCache - Reactive caching library for Android and Java
• HelloWorld521/Java - java项目实战练习
• Kong/unirest-java - Unirest in Java: Simplified, lightweight HTTP client library.
• oracle/visualvm - VisualVM is an All-in-One Java Troubleshooting Tool
• apache/flume - Mirror of Apache Flume
• internetarchive/heritrix3 - Heritrix is the Internet Archive's open-source, extensible, web-scale, archival-quality web crawler project.
• balysv/material-ripple - Android L Ripple effect wrapper for Views
• vran-dev/PrettyZoo - 😉 Pretty nice Zookeeper GUI, Support Win / Mac / Linux Platform
• caoxinyu/RedisClient - Java Redis Client GUI Tool
• classgraph/classgraph - An uber-fast parallelized Java classpath scanner and module scanner.
• Ramotion/cardslider-android - 🃏 Cardslider is a material design UI controller that allows you to swipe through cards with pictures and accompanying descriptions.
• apache/avro - Apache Avro is a data serialization system.
• igniterealtime/Smack - A modular and portable open source XMPP client library written in Java for Android and Java (SE) VMs
• amitshekhariitbhu/android-developer-roadmap - Android Developer Roadmap - A complete roadmap to learn Android App Development
• ulisesbocchio/jasypt-spring-boot - Jasypt integration for Spring boot
• pilgr/Paper - Paper is a fast NoSQL-like storage for Java/Kotlin objects on Android with automatic schema migration support.
• eclipsesource/J2V8 - Java Bindings for V8
• googlemaps/android-samples - Samples demonstrating how to use Maps SDK for Android
• torakiki/pdfsam - PDFsam, a desktop application to split, merge, mix, rotate PDF files and extract pages
• AnySoftKeyboard/AnySoftKeyboard - Android (f/w 2.1+) on screen keyboard for multiple languages (chat https://gitter.im/AnySoftKeyboard)
• assertj/assertj - AssertJ is a library providing easy to use rich typed assertions
• atomix/atomix - A reactive Java framework for building fault-tolerant distributed systems
• rbmonster/learning-note - Java开发及面试（个人面试、工作总结、资料收集站）
• Yalantis/Euclid - User Profile Interface Animation
• spring-projects/spring-batch - Spring Batch is a framework for writing offline and batch applications using Spring and Java
• xerial/sqlite-jdbc - SQLite JDBC Driver
• akexorcist/RoundCornerProgressBar - [Android] Round Corner Progress Bar Library for Android
• addthis/stream-lib - Stream summarizer and cardinality estimator.
• egzosn/pay-java-parent - 第三方支付对接全能支付Java开发工具包.优雅的轻量级支付模块集成支付对接支付整合（微信,支付宝,银联,友店,富友,跨境支付paypal,payoneer(P卡派安盈)易极付）app,扫码,网页刷脸付刷卡付条码付转账服务商模式,微信分账,微信合单支付、支持多种支付类型多支付账户，支付与业务完全剥离，简单几行代码即可实现支付，简单快速完成支付模块的开发，可轻松嵌入到任何系统里 目前仅是一个开发工具包（即SDK），只提供简单Web实现，建议使用maven或gradle引用本项目即可使用本SDK提供的各种支付相关的功能
• openzipkin/brave - Java distributed tracing implementation compatible with Zipkin backend services.
• rsocket/rsocket-java - Java implementation of RSocket
• Zhaoss/WeiXinRecordedDemo - 仿微信视频拍摄UI, 基于ffmpeg的视频录制编辑
• springdoc/springdoc-openapi - Library for OpenAPI 3 with spring-boot
• google/jimfs - An in-memory file system for Java 7+
• bytedeco/javacpp-presets - The missing Java distribution of native C++ libraries
• hidroh/materialistic - A material-design Hacker News Android reader
• syncthing/syncthing-android - Wrapper of syncthing for Android.
• vipshop/Saturn - The vip.com's distributed job scheduling platform.
• sofastack/sofa-bolt - SOFABolt is a lightweight, easy to use and high performance remoting framework based on Netty.
• huaban/jieba-analysis - 结巴分词(java版)
• javastacks/spring-boot-best-practice - Spring Boot 最佳实践，包括自动配置、核心原理、源码分析、国际化支持、调试、日志集成、热部署等。
• alibaba/fastjson2 - 🚄 FASTJSON2是FASTJSON项目的重要升级，目标是为下一个十年提供一个高性能的JSON库
• timusus/Shuttle - Shuttle Music Player
• hierynomus/sshj - ssh, scp and sftp for java
• cskefu/cskefu - 🌲 春松客服，开源，免费，智能客服系统，机器人客服
• steelkiwi/cropiwa - 📐 Configurable Custom Crop widget for Android
• pac4j/pac4j - Security engine for Java (authentication, authorization, multi frameworks): OAuth, CAS, SAML, OpenID Connect, LDAP, JWT...
• Yalantis/Horizon - Horizon - Simple visual equaliser for Android
• hellokaton/30-seconds-of-java8 - 30 seconds to collect useful Java 8 snippet.
• zeromq/jeromq - Pure Java ZeroMQ
• drewnoakes/metadata-extractor - Extracts Exif, IPTC, XMP, ICC and other metadata from image, video and audio files
• threedr3am/learnjavabug - Java安全相关的漏洞和技术demo，原生Java、Fastjson、Jackson、Hessian2、XML反序列化漏洞利用和Spring、Dubbo、Shiro、CAS、Tomcat、RMI、Nexus等框架\中间件\功能的exploits以及Java Security Manager绕过、Dubbo-Hessian2安全加固等等实践代码。
• bonigarcia/webdrivermanager - Automated driver management and other helper features for Selenium WebDriver in Java
• ethereum/ethereumj - DEPRECATED! Java implementation of the Ethereum yellowpaper. For JSON-RPC and other client features check Ethereum Harmony
• searchbox-io/Jest - Elasticsearch Java Rest Client.
• apache/maven-mvnd - Apache Maven Daemon
• gitblit/gitblit - pure java git solution
• avjinder/Minimal-Todo - Material To-Do App
• apilayer/restcountries - Get information about countries via a RESTful API
• apache/activemq - Mirror of Apache ActiveMQ
• eclipse/eclipse-collections - Eclipse Collections is a collections framework for Java with optimized data structures and a rich, functional and fluent API.
• spotify/helios - Docker container orchestration platform
• cymcsg/UltimateAndroid - UltimateAndroid is a rapid development framework for developing your apps
• konsoletyper/teavm - Compiler of Java bytecode to JavaScript
• apache/netbeans - Apache NetBeans
• Muddz/StyleableToast - [Moved to MavenCentral] An Android library that takes the standard toast to the next level with many styling options. Works on all Android versions.
• jeecgboot/jeecg - JEECG是一款基于代码生成器的J2EE快速开发平台，开源界“小普元”超越传统商业企业级开发平台。引领新的开发模式(Online Coding模式(自定义表单) - > 代码生成器模式 - > 手工MERGE智能开发)， 可以帮助解决Java项目90%的重复工作，让开发更多关注业务逻辑。既能快速提高开发效率，帮助公司节省人力成本，同时又不失灵活性。具备：表单配置能力（无需编码）、移动配置能力、工作流配置能力、报表配置能力（支持移动端）、插件开发能力（可插拔）
• RaiMan/SikuliX1 - SikuliX version 2.0.0+ (2019+)
• sarxos/webcam-capture - The goal of this project is to allow integrated or USB-connected webcams to be accessed directly from Java. Using provided libraries users are able to read camera images and detect motion. Main project consist of several sub projects - the root one, which contains required classes, build-in webcam driver compatible with Windows, Linux and Mac OS, which can stream images as fast as your camera can serve them (up to 50 FPS). Main project can be used standalone, but user is able to replace build-in driver with different one - such as OpenIMAJ, GStreamer, V4L4j, JMF, LTI-CIVIL, FMJ, etc.
• moquette-io/moquette - Java MQTT lightweight broker
• buchen/portfolio - A simple tool to calculate the overall performance of an investment portfolio.
• Ramotion/expanding-collection-android - ExpandingCollection is a material design card peek/pop controller. Android UI Library made by @Ramotion
• qos-ch/slf4j - Simple Logging Facade for Java
• Froussios/Intro-To-RxJava - An extensive tutorial on RxJava
• speedment/speedment - Speedment is a Stream ORM Java Toolkit and Runtime
• anitaa1990/Android-Cheat-sheet - Cheat Sheet for Android Interviews
• fossasia/pslab-android - PSLab Android App https://play.google.com/store/apps/details?id=io.pslab
• Ramotion/android-ui-animation-components-and-libraries - Android UI libraries, components and animations by @ramotion
• apache/mahout - Mirror of Apache Mahout
• hamcrest/JavaHamcrest - Java (and original) version of Hamcrest
• uber/piranha - A tool for refactoring code related to feature flag APIs
• find-sec-bugs/find-sec-bugs - The SpotBugs plugin for security audits of Java web applications and Android applications. (Also work with Kotlin, Groovy and Scala projects)
• DozerMapper/dozer - Dozer is a Java Bean to Java Bean mapper that recursively copies data from one object to another.
• alibaba/jvm-sandbox-repeater - A Java server-side recording and playback solution based on JVM-Sandbox
• doublechaintech/scm-biz-suite - 供应链中台系统基础版，集成零售管理, 电子商务, 供应链管理, 财务管理, 车队管理, 仓库管理, 人员管理, 产品管理, 订单管理, 会员管理, 连锁店管理, 加盟管理, 前端React/Ant Design, 后端Java Spring+自有开源框架，全面支持MySQL, PostgreSQL, 全面支持国产数据库南大通用GBase 8s,通过REST接口调用，前后端完全分离。
• shyiko/mysql-binlog-connector-java - MySQL Binary Log connector
• qiujiayu/AutoLoadCache - AutoLoadCache 是基于AOP+Annotation等技术实现的高效的缓存管理解决方案，实现缓存与业务逻辑的解耦，并增加异步刷新及“拿来主义机制”，以适应高并发环境下的使用。
• LogNet/grpc-spring-boot-starter - Spring Boot starter module for gRPC framework.
• amaembo/streamex - Enhancing Java Stream API
• scalad/Note - 常规Java工具，算法，加密，数据库，面试题，源代码分析，解决方案
• Haleydu/Cimoc - 漫画阅读器
• hekailiang/squirrel - squirrel-foundation is a State Machine library, which provided a lightweight, easy use, type safe and programmable state machine implementation for Java.
• liuyubobobo/Play-with-Data-Structures - Codes of my MOOC Course . Updated contents and practices are also included. 我在慕课网上的课程《Java语言玩转数据结构》示例代码。课程的更多更新内容及辅助练习也将逐步添加进这个代码仓。
• jOOQ/jOOL - jOOλ - The Missing Parts in Java 8 jOOλ improves the JDK libraries in areas where the Expert Group's focus was elsewhere. It adds tuple support, function support, and a lot of additional functionality around sequential Streams. The JDK 8's main efforts (default methods, lambdas, and the Stream API) were focused around maintaining backwards compatibility and implementing a functional API for parallelism.
• connectbot/connectbot - ConnectBot is the first SSH client for Android.
• Yalantis/StarWars.Android - This component implements transition animation to crumble view into tiny pieces.
• Athou/commafeed - Google Reader inspired self-hosted RSS reader.
• TakahikoKawasaki/nv-websocket-client - High-quality WebSocket client implementation in Java.
• mabe02/lanterna - Java library for creating text-based GUIs
• airsonic/airsonic - 📡 ☁️ 🎶Airsonic, a Free and Open Source community driven media server (fork of Subsonic and Libresonic)
• casbin/jcasbin - An authorization library that supports access control models like ACL, RBAC, ABAC in Java
• boylegu/SpringBoot-vue - A example demo base SpringBooot with vueJS2.x + webpack2.x as Java full stack web practice
• tlaplus/tlaplus - TLC is an explicit state model checker for specifications written in TLA+. The TLA+Toolbox is an IDE for TLA+.
• Aliucord/Aliucord - A modification for the Discord Android App
• HotswapProjects/HotswapAgent - Java unlimited redefinition of classes at runtime.
• a466350665/smart-sso - springboot SSO 单点登录，OAuth2实现，支持App登录，支持分布式
• julian-klode/dns66 - DNS-based Host Blocker (and lightweight ad blocker) for Android
• ninjaframework/ninja - Ninja is a full stack web framework for Java. Rock solid, fast and super productive.
• ysc/QuestionAnsweringSystem - QuestionAnsweringSystem是一个Java实现的人机问答系统，能够自动分析问题并给出候选答案。
• erupts/erupt - 🚀 对象模型 → 数据可视化管理 0️⃣ 前端代码、0️⃣ 代码生成、0️⃣ SQL、0️⃣ API声明、0️⃣ DTO / VO / BO、表结构自动生成 🛡 内置严密安全策略，细颗粒权限隔离 ☁️ Cloud开发能力，不停机升级，轻依赖，集群内每个服务都可以轻松实现数据可视化 ️☁️
• pedroSG94/rtmp-rtsp-stream-client-java - Library to stream in rtmp and rtsp for Android. All code in Java
• CarpenterLee/JavaLambdaInternals - 深入理解Java函数式编程和Streams API
• commonmark/commonmark-java - Java library for parsing and rendering CommonMark (Markdown)
• protostuff/protostuff - Java serialization library, proto compiler, code generator
• prometheus/client_java - Prometheus instrumentation library for JVM applications
• vsch/flexmark-java - CommonMark/Markdown Java parser with source level AST. CommonMark 0.28, emulation of: pegdown, kramdown, markdown.pl, MultiMarkdown. With HTML to MD, MD to PDF, MD to DOCX conversion modules.
• Ramotion/circle-menu-android - ⭕️ CircleMenu is a simple, elegant UI menu with a circular layout and material design animations. Android UI library made by @Ramotion
• pf4j/pf4j - Plugin Framework for Java (PF4J)
• sanluan/PublicCMS - More than 2 million lines of code modification continuously iterated for 7 years to modernize java cms, easily supporting tens of millions of data, tens of millions of PV; Support static, server side includes; Currently has 0.0005% of the world's users (w3techs provided data), language support in Chinese, Chinese, Japanese, English
• zhegexiaohuozi/SeimiCrawler - 一个简单、敏捷、分布式的支持SpringBoot的Java爬虫框架;An agile, distributed crawler framework.
• Ramotion/garland-view-android - ≡ GarlandView seamlessly transitions between multiple lists of content. Made by @Ramotion
• 88250/symphony - 🎶 一款用 Java 实现的现代化社区（论坛/问答/BBS/社交网络/博客）系统平台。A modern community (forum/Q&A/BBS/SNS/blog) system platform implemented in Java. https://ld246.com
• Yalantis/FlipViewPager.Draco - This project aims to provide a working page flip implementation for usage in ListView.
• airbnb/AirMapView - A view abstraction to provide a map user interface with various underlying map providers
• marytts/marytts - MARY TTS -- an open-source, multilingual text-to-speech synthesis system written in pure java
• spring-cloud/spring-cloud-config - External configuration (server and client) for Spring Cloud
• plutext/docx4j - JAXB-based Java library for Word docx, Powerpoint pptx, and Excel xlsx files
• flutter/flutter-intellij - Flutter Plugin for IntelliJ
• apache/pdfbox - Mirror of Apache PDFBox
• mercyblitz/thinking-in-spring-boot-samples - 小马哥书籍《Spring Boot 编程思想》示例工程
• kanwangzjm/funiture - 慕课网课程推荐 Java并发编程与高并发解决方案：http://coding.imooc.com/class/195.html Java开发企业级权限管理系统：http://coding.imooc.com/class/149.html github: https://github.com/kanwangzjm/funiture, spring项目，权限管理、系统监控、定时任务动态调整、qps限制、sql监控(邮件)、验证码服务、短链接服务、动态配置等
• apache/servicecomb-java-chassis - ServiceComb Java Chassis is a Software Development Kit (SDK) for rapid development of microservices in Java, providing service registration, service discovery, dynamic routing, and service management features
• UniversalMediaServer/UniversalMediaServer - A DLNA, UPnP and HTTP(S) Media Server.
• bcgit/bc-java - Bouncy Castle Java Distribution (Mirror)
• yaphone/itchat4j - itchat4j -- 用Java扩展个人微信号的能力
• JoyChou93/java-sec-code - Java web common vulnerabilities and security code which is base on springboot and spring security
• OryxProject/oryx - Oryx 2: Lambda architecture on Apache Spark, Apache Kafka for real-time large scale machine learning
• eclipse/paho.mqtt.java - Eclipse Paho Java MQTT client library. Paho is an Eclipse IoT project.
• redsolution/xabber-android - Open-source XMPP client for Android
• qdrzwd/VideoRecorder - android视频录制，模仿微视，支持按下录制、抬起暂停。进度条断点显示。
• cbeust/testng - TestNG testing framework
• javahongxi/whatsmars - Java生态研究(Spring Boot + Redis + Dubbo + RocketMQ + Elasticsearch)🔥🔥🔥🔥🔥
• cbeust/jcommander - Command line parsing framework for Java
• notnoop/java-apns - Java Apple Push Notification Service Provider
• apache/ambari - Apache Ambari simplifies provisioning, managing, and monitoring of Apache Hadoop clusters.
• apache/parquet-mr - Apache Parquet
• vladmihalcea/hibernate-types - The Hibernate Types library gives you extra types that are not supported by the Hibernate ORM core.
• GoogleLLP/SuperMarket - 设计精良的网上商城系统，包括前端、后端、数据库、负载均衡、数据库缓存、分库分表、读写分离、全文检索、消息队列等，使用SpringCloud框架，基于Java开发。该项目可部署到服务器上，不断完善中……
• flyingsaucerproject/flyingsaucer - XML/XHTML and CSS 2.1 renderer in pure Java
• xuxueli/xxl-sso - A distributed single-sign-on framework.（分布式单点登录框架XXL-SSO）
• p6spy/p6spy - P6Spy is a framework that enables database data to be seamlessly intercepted and logged with no code changes to the application.
• apache/drill - Apache Drill is a distributed MPP query layer for self describing data
• RichardWarburton/java-8-lambdas-exercises - Exercises and Answers for Java 8 Lambdas book
• EsotericSoftware/kryonet - TCP/UDP client/server library for Java, based on Kryo
• vaadin/framework - Vaadin 6, 7, 8 is a Java framework for modern Java web applications.
• heinrichreimer/material-intro - A simple material design app intro with cool animations and a fluent API.
• Azure/azure-sdk-for-java - This repository is for active development of the Azure SDK for Java. For consumers of the SDK we recommend visiting our public developer docs at https://docs.microsoft.com/java/azure/ or our versioned developer docs at https://azure.github.io/azure-sdk-for-java.
• kilim/kilim - Lightweight threads for Java, with message passing, nio, http and scheduling support.
• liuguangqiang/SwipeBack - SwipeBack is an android library that can finish a activity by using gesture.
• sleuthkit/autopsy - Autopsy® is a digital forensics platform and graphical interface to The Sleuth Kit® and other digital forensics tools. It can be used by law enforcement, military, and corporate examiners to investigate what happened on a computer. You can even use it to recover photos from your camera's memory card.
• ZHENFENG13/ssm-demo - 🍌Spring+SpringMVC+Mybatis+easyUI实现简单的后台管理系统
• ysc/word - Java分布式中文分词组件 - word分词
• jdbi/jdbi - jdbi is designed to provide convenient tabular data access in Java; including templated SQL, parameterized and strongly typed queries, and Streams integration
• indy256/codelibrary - 💎Collection of algorithms and data structures
• GlowstoneMC/Glowstone - A fast, customizable and compatible open source server for Minecraft: Java Edition
• roncoo/spring-boot-demo - Spring Boot的基础教程，由浅入深，一步一步学习Spring Boot，最后学到的不单单是基础！Spring Cloud基础教程请看：https://github.com/roncoo/spring-cloud-demo
• nayuki/Project-Euler-solutions - Runnable code for solving Project Euler problems in Java, Python, Mathematica, Haskell.
• Guardsquare/proguard - ProGuard, Java optimizer and obfuscator
• openhab/openhab-addons - Add-ons for openHAB
• eschao/android-PageFlip - 3D Style Page Flip on Android
• FreeTymeKiyan/LeetCode-Sol-Res - Clean, Understandable Solutions and Resources for LeetCode Online Judge Algorithm Problems.
• fabric8io/docker-maven-plugin - Maven plugin for running and creating Docker images
• stagemonitor/stagemonitor - an open source solution to application performance monitoring for java server applications
• jberkel/sms-backup-plus - Backup Android SMS, MMS and call log to Gmail / Gcal / IMAP
• jphp-group/jphp - JPHP - an implementation of PHP on Java VM
• youseries/ureport - UReport2 is a high-performance pure Java report engine based on Spring architecture, where complex Chinese-style statements and reports can be prepared by iterating over cells.
• Yalantis/Taurus - A little more fun for the pull-to-refresh interaction.
• kairosdb/kairosdb - Fast scalable time series database
• bucket4j/bucket4j - Java rate limiting library based on token-bucket algorithm.
• googleapis/google-cloud-java - Google Cloud Client Library for Java
• uber-common/jvm-profiler - JVM Profiler Sending Metrics to Kafka, Console Output or Custom Reporter
• asciidocfx/AsciidocFX - Asciidoc Editor and Toolchain written with JavaFX 18 (Build PDF, Epub, Mobi and HTML books, documents and slides)
• Jackson0714/PassJava-Platform - 一款面试刷题的 Spring Cloud 开源系统。零碎时间利用小程序查看常见面试题，夯实Java基础。 该项目可以教会你如何搭建SpringBoot项目，Spring Cloud项目。 采用流行的技术，如 SpringBoot、MyBatis、Redis、 MySql、 MongoDB、 RabbitMQ、Elasticsearch，采用Docker容器化部署。
• chengxy-nds/Springboot-Notebook - Springboot-Notebook 一个以 springboot 为基础开发框架， 整合 Redis 、Mysql 、 Rabbitmq 、ES 、MongoDB、sharding-jdbc 分库分表、zookeeper 、web人脸识别 、实时消息推送 、SQL优化、注册中心 、数据脱敏 等互联网主流技术， 文章图解理论配合实战案例，实现开发中常见功能点的综合项目。 本着拿来即用的原则，助力于减少开发者在工作中的学习成本。
• bravoborja/ReadMoreTextView - A Custom TextView with trim text
• ta4j/ta4j - A Java library for technical analysis.
• klinker24/talon-twitter-holo - [Deprecated] The Holo version of my popular Android Talon for Twitter app, 100% open-source
• JeffLi1993/java-core-learning-example - 关于Java核心技术学习积累的例子，是初学者及核心技术巩固的最佳实践。
• JorenSix/TarsosDSP - A Real-Time Audio Processing Framework in Java
• opentracing/opentracing-java - OpenTracing API for Java. 🛑 This library is DEPRECATED! opentracing/specification#163
• spring-cloud/spring-cloud-sleuth - Distributed tracing for spring cloud
• spotify/apollo - Java libraries for writing composable microservices
• KikiLetGo/VirusBroadcast - A java virus broadcast simulation
• mendhak/gpslogger - 📡 Lightweight GPS Logging Application For Android.
• dcevm/dcevm - Dynamic Code Evolution VM for Java 7/8
• Minestom/Minestom - 1.19.2 Lightweight Minecraft server
• xianrendzw/EasyReport - A simple and easy to use Web Report System for java.EasyReport是一个简单易用的Web报表工具(支持Hadoop,HBase及各种关系型数据库),它的主要功能是把SQL语句查询出的行列结构转换成HTML表格(Table)，并支持表格的跨行(RowSpan)与跨列(ColSpan)。同时它还支持报表Excel导出、图表显示及固定表头与左边列的功能。
• waylau/netty-4-user-guide-demos - Netty demos. （Netty 案例大全）
• Smith-Cruise/Spring-Boot-Shiro - Shiro基于SpringBoot +JWT搭建简单的restful服务
• wenbochang888/house - 有完整版的PDF下载。
• binarywang/weixin-java-mp-demo - 基于Spring Boot 和 WxJava 实现的微信公众号Java后端Demo，支持多公众号
• rapidoid/rapidoid - Rapidoid - Extremely Fast, Simple and Powerful Java Web Framework and HTTP Server!
• aws/aws-sdk-java-v2 - The official AWS SDK for Java - Version 2
• yzcheng90/X-SpringBoot - X-SpringBoot是一个轻量级的Java快速开发平台，能快速开发项目并交付【接私活利器】
• Netflix/genie - Distributed Big Data Orchestration Service
• Yalantis/ToDoList - Micro-Transitions for Smooth Android To-Do List Animations
• DreamCats/java-notes - 自己的学习笔记。包含：个人秋招经历、🐂客面经问题按照频率总结、Java一系列知识、数据库、分布式、微服务、前端、技术面试、每日文章等(持续更新)
• aNNiMON/Lightweight-Stream-API - Stream API from Java 8 rewritten on iterators for Java 7 and below
• openjdk/loom - https://openjdk.org/projects/loom
• selenide/selenide - Concise UI Tests with Java!
• majidgolshadi/Android-Download-Manager-Pro - Android/Java download manager library help you to download files in parallel mechanism in some chunks.
• MorphiaOrg/morphia - MongoDB object-document mapper in Java based on https://github.com/mongodb/mongo-java-driver
• Peergos/Peergos - A p2p, secure file storage, social network and application protocol
• Luohuayu/CatServer - 高性能和高兼容性的1.12.2/1.16.5/1.18.2版本Forge+Bukkit+Spigot服务端 (A high performance and high compatibility 1.12.2/1.16.5/1.18.2 version Forge+Bukkit+Spigot server)
• hapifhir/hapi-fhir - 🔥 HAPI FHIR - Java API for HL7 FHIR Clients and Servers
• j256/ormlite-android - ORMLite Android functionality used in conjunction with ormlite-core
• asLody/legend - A framework for hook java methods.
• qiurunze123/threadandjuc - ⭐⭐⭐⭐高并发-高可靠-高性能three-high-import导入系统-高并发多线程进阶
• 0Chencc/CTFCrackTools - China's first CTFTools framework.中国国内首个CTF工具框架,旨在帮助CTFer快速攻克难关
• square/retrofit - A type-safe HTTP client for Android and the JVM
• apache/dubbo - Apache Dubbo is a high-performance, java based, open source RPC framework.
• jeecgboot/jeecg-boot - ⭐️「企业级低代码平台」前后端分离架构SpringBoot 2.x，SpringCloud，Ant Design&Vue，Mybatis，Shiro，JWT。强大的代码生成器让前后端代码一键生成，无需写任何代码! 引领新的开发模式OnlineCoding->代码生成->手工MERGE，帮助Java项目解决70%重复工作，让开发更关注业务，既能快速提高效率，帮助公司节省成本，同时又不失灵活性。
• redisson/redisson - Redisson - Redis Java client with features of In-Memory Data Grid. Over 50 Redis based Java objects and services: Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Publish / Subscribe, Bloom filter, Spring Cache, Tomcat, Scheduler, JCache API, Hibernate, MyBatis, RPC, local cache ...
• google/ExoPlayer - An extensible media player for Android
• jenkinsci/jenkins - Jenkins automation server
• apache/rocketmq - Apache RocketMQ is a cloud native messaging and streaming platform, making it simple to build event-driven applications.
• doocs/leetcode - 😏 LeetCode solutions in any programming language | 多种编程语言实现 LeetCode、《剑指 Offer（第 2 版）》、《程序员面试金典（第 6 版）》题解
• mybatis/mybatis-3 - MyBatis SQL mapper framework for Java
• oracle/graal - GraalVM: Run Programs Faster Anywhere 🚀
• brettwooldridge/HikariCP - 光 HikariCP・A solid, high-performance, JDBC connection pool at last.
• dianping/cat - CAT 作为服务端项目基础组件，提供了 Java, C/C++, Node.js, Python, Go 等多语言客户端，已经在美团点评的基础架构中间件框架（MVC框架，RPC框架，数据库框架，缓存框架等，消息队列，配置系统等）深度集成，为美团点评各业务线提供系统丰富的性能指标、健康状况、实时告警等。
• Anuken/Mindustry - The automation tower defense RTS
• winterbe/java8-tutorial - Modern Java - A Guide to Java 8
• LMAX-Exchange/disruptor - High Performance Inter-Thread Messaging Library
• android10/Android-CleanArchitecture - This is a sample app that is part of a series of blog posts I have written about how to architect an android application using Uncle Bob's clean architecture approach.
• medcl/elasticsearch-analysis-ik - The IK Analysis plugin integrates Lucene IK analyzer into elasticsearch, support customized dictionary.
• openjdk/jdk - JDK main-line development https://openjdk.org/projects/jdk
• prestodb/presto - The official home of the Presto distributed SQL query engine for big data
• orhanobut/logger - ✔️ Simple, pretty and powerful logger for android
• mockito/mockito - Most popular Mocking framework for unit tests written in Java
• Konloch/bytecode-viewer - A Java 8+ Jar & Android APK Reverse Engineering Suite (Decompiler, Editor, Debugger & More)
• antlr/antlr4 - ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.
• eclipse-vertx/vert.x - Vert.x is a tool-kit for building reactive applications on the JVM
• elastic/logstash - Logstash - transport and process your logs, events, or other data
• deeplearning4j/deeplearning4j - Suite of tools for deploying and training deep learning models using the JVM. Highlights include model import for keras, tensorflow, and onnx/pytorch, a modular and tiny c++ library for running math code and a java based math library on top of the core c++ library. Also includes samediff: a pytorch/tensorflow like library for running deep learning using automatic differentiation.
• thingsboard/thingsboard - Open-source IoT Platform - Device management, data collection, processing and visualization.
• ben-manes/caffeine - A high performance caching library for Java
• lionsoul2014/ip2region - Ip2region (2.0 - xdb) is a offline IP address manager framework and locator, support billions of data segments, ten microsecond searching performance. xdb engine implementation for many programming languages
• GoogleContainerTools/jib - 🏗 Build container images for your Java applications.
• MindorksOpenSource/from-java-to-kotlin - From Java To Kotlin - Your Cheat Sheet For Java To Kotlin
• zuihou/lamp-cloud - lamp-cloud 基于Jdk11 + SpringCloud + SpringBoot的微服务快速开发平台，其中的可配置的SaaS功能尤其闪耀， 具备RBAC功能、网关统一鉴权、Xss防跨站攻击、自动代码生成、多种存储系统、分布式事务、分布式定时任务等多个模块，支持多业务系统并行开发， 支持多服务并行开发，可以作为后端服务的开发脚手架。代码简洁，注释齐全，架构清晰，非常适合学习和企业作为基础框架使用。
• yasserg/crawler4j - Open Source Web Crawler for Java
• CrawlScript/WebCollector - WebCollector is an open source web crawler framework based on Java.It provides some simple interfaces for crawling the Web,you can setup a multi-threaded web crawler in less than 5 minutes.
• apache/incubator-linkis - Linkis helps easily connect to various back-end computation/storage engines(Spark, Python, TiDB...), exposes various interfaces(REST, JDBC, Java ...), with multi-tenancy, high performance, and resource control.
• lilishop/lilishop - 电商商城 多语言商城 跨境商城 多用户商城 小程序商城 微服务商城 新零售 社区商城
• crate/crate - CrateDB is a distributed SQL database that makes it simple to store and analyze massive amounts of machine data in real-time.