krahets / hello-algo
《Hello 算法》：动画图解、一键运行的数据结构与算法教程。支持简中、繁中、English、日本語，提供 Python, Java, C++, C, C#, JS, Go, Swift, Rust, Ruby, Kotlin, TS, Dart 等代码实现
krahets / hello-algo
spring-projects / spring-boot
Spring Boot helps you to create Spring-powered, production-grade applications and services with absolute minimum fuss.
skylot / jadx
Dex to Java decompiler
apache / kafka
Apache Kafka - A distributed event streaming platform
opentrap / opentrap
A free, open-source alternative to Burp Suite: an intercepting proxy and web app security testing suite with Repeater, Intruder, Collaborator and a built-in OWASP ZAP scanner. Linux, AGPL-3.0.
dbeaver / dbeaver
Free universal database tool and SQL client
kernelpanic0x11 / instagram-api-workbench
Instagram Android API evidence, OpenAPI catalog, and local JavaScript Swagger workbench
elastic / elasticsearch
Free and Open Source, Distributed, RESTful Search Engine
0xProbabillity / luma-tv
A calm, tvOS-inspired home screen for Android TV and Google TV. No ads, no tracking.
modelcontextprotocol / java-sdk
The official Java SDK for Model Context Protocol servers and clients. Maintained in collaboration with Spring AI
apache / cloudstack
Apache CloudStack is an opensource Infrastructure as a Service (IaaS) cloud computing platform
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
TheAlgorithms / Java
All Algorithms implemented in Java
google / guava
Google core libraries for Java
jeecgboot / JeecgBoot
【低代码v2.0，一句话即可生成整个系统】企业级AI低代码平台，一键生成前后端代码甚至整个系统。 AI Skills 一句话画流程、设计表单、生成报表、大屏。内置 AI应用平台涵盖：AI聊天、知识库、流程编排、MCP插件等，兼容主流大模型。引领AI低代码「Skills 生成 → 在线配置 → 代码生成 → 手工合并->AI修改」开发模式，解决 Java 项目 90% 重复工作，提高效率又不失灵活。
ReactiveX / RxJava
RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.
lysine-dev / retrofit
A type-safe HTTP client for Android and the JVM
apache / dubbo
The java implementation of Apache Dubbo. An RPC and microservice framework.
alibaba / arthas
Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas
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
yuliskov / SmartTube
Browse media content with your own rules on Android TV
SeleniumHQ / selenium
A browser automation framework and ecosystem.
zxing / zxing
ZXing ("Zebra Crossing") barcode scanning library for Java, Android
binarywang / WxJava
微信开发 Java SDK ，支持包括微信支付，开放平台，小程序，企业微信，视频号，公众号等的后端开发
conductor-oss / conductor
Conductor is an event driven agentic workflow engine providing durable and highly resilient execution engine for applications and AI Agents
xuxueli / xxl-job
A distributed task scheduling framework.（分布式任务调度平台XXL-JOB）
chinabugotech / hutool
🍬A set of tools that keep Java sweet.
kestra-io / kestra
Event Driven Orchestration & Scheduling Platform for Mission Critical Applications
Anuken / Mindustry
The automation tower defense RTS
alibaba / spring-cloud-alibaba
Spring Cloud Alibaba provides a one-stop solution for application development for the distributed solutions of Alibaba middleware.
jenkinsci / jenkins
Jenkins automation server
apache / flink
Apache Flink
libgdx / libgdx
Desktop/Android/HTML5/iOS Java game development framework
redisson / redisson
Redisson: Valkey & Redis Java Client and Real-Time Data Platform. Sync/Async/RxJava/Reactive API. Over 50 Valkey and Redis based Java objects and services: Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Spring, Tomcat, Scheduler, JCache API, Hibernate, RPC, local cache..
google / gson
A Java serialization/deserialization library to convert Java Objects into JSON and back
openjdk / jdk
JDK main-line development https://openjdk.org/projects/jdk
apache / rocketmq
Apache RocketMQ is a cloud native messaging and streaming platform, making it simple to build event-driven applications.
oracle / graal
GraalVM compiles applications into native executables that start instantly, scale fast, and use fewer compute resources 🚀
mybatis / mybatis-3
MyBatis SQL mapper framework for Java
ReactiveX / RxAndroid
RxJava bindings for Android
dromara / Sa-Token
✨ 开源、免费、一站式 Java 权限认证框架，让鉴权变得简单、优雅！—— 登录认证、权限认证、分布式 Session 会话、微服务网关鉴权、SSO 单点登录、OAuth2.0 统一认证、jwt 集成、API Key 秘钥授权、API 参数签名
ben-manes / caffeine
A high performance caching library for Java
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，就认准二哥的Java进阶之路😄
prestodb / presto
The official home of the Presto distributed SQL query engine for big data
cryptomator / cryptomator
Cryptomator for Windows, macOS, and Linux: Secure client-side encryption for your cloud storage, ensuring privacy and control over your data.
quarkusio / quarkus
Quarkus: Supersonic Subatomic Java.
mockito / mockito
Most popular Mocking framework for unit tests written in Java
supertokens / supertokens-core
Open source alternative to Auth0 / Firebase Auth / AWS Cognito
microg / GmsCore
Free implementation of Play Services
elastic / logstash
Logstash - transport and process your logs, events, or other data
kekingcn / kkFileView
Universal File Online Preview Project based on Spring-Boot
eclipse-vertx / vert.x
Vert.x is a tool-kit for building reactive applications on the JVM
xpipe-io / xpipe
Access your entire server infrastructure from your local desktop
GoogleContainerTools / jib
🏗 Build container images for your Java applications.
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 learn...
opensearch-project / OpenSearch
🔎 Open source distributed and RESTful search engine.
LawnchairLauncher / lawnchair
No clever tagline needed.
projectlombok / lombok
Very spicy additions to the Java programming language.
plantuml / plantuml
Generate diagrams from textual description