doocs / advanced-java
๐ฎ Core Interview Questions & Answers For Experienced Java(Backend) Developers | ไบ่็ฝ Java ๅทฅ็จๅธ่ฟ้ถ็ฅ่ฏๅฎๅ จๆซ็ฒ๏ผๆถต็้ซๅนถๅใๅๅธๅผใ้ซๅฏ็จใๅพฎๆๅกใๆตท้ๆฐๆฎๅค็็ญ้ขๅ็ฅ่ฏ
alibaba / spring-cloud-alibaba
Spring Cloud Alibaba provides a one-stop solution for application development for the distributed solutions of Alibaba middleware.
OtterMind / Chat2DB
Chat2DB is a free, cross-platform, local-first database client and SQL workspace for developers, DBAs, analysts, and data teams. Connect to 40+ databases, manage data, edit and run SQL, and use your own AI model to generate, explain, and optimize queries. Available on desktop, web, Docker, and CLI, with MCP support.
libgdx / libgdx
Desktop/Android/HTML5/iOS Java game development framework
openjdk / jdk
JDK main-line development https://openjdk.org/projects/jdk
baomidou / mybatis-plus
An powerful enhanced toolkit of MyBatis for simplify development
zaproxy / zaproxy
The ZAP by Checkmarx Core project
mockito / mockito
Most popular Mocking framework for unit tests written in Java
theonedev / onedev
The Unified and Autonomous Development Platform
alibaba / spring-ai-alibaba
Agentic AI Framework for Java Developers
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.
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.
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.
flowable / flowable-engine
A compact and highly efficient workflow and Business Process Management (BPM) platform for developers, system admins and business users.
karatelabs / karate
Test Automation Made Simple
00-Evan / shattered-pixel-dungeon
Shattered Pixel Dungeon is an open-source traditional roguelike dungeon crawler with randomized levels and enemies, and hundreds of items to collect and use. It's based on the source code of Pixel Dungeon, by Watabou.
alibaba / QLExpress
QLExpress is a powerful, lightweight, dynamic language for the Java platform aimed at improving developersโ productivity in different business scenes.
rstudio / rstudio
RStudio is an integrated development environment (IDE) for R
s4kibs4mi / java-developer-roadmap
Roadmap to becoming a Java developer in 2026
freeplane / freeplane
Application for Mind Mapping, Knowledge Management, Project Management. Develop, organize and communicate your ideas and knowledge in the most effective way.
jMonkeyEngine / jmonkeyengine
A complete 3-D game development suite written in Java.
MeteorDevelopment / meteor-client
Based Minecraft utility mod.
MovingBlocks / Terasology
Terasology - open source voxel world
DataLinkDC / dinky
Dinky is a real-time data development platform based on Apache Flink, enabling agile data development, deployment and operation.
spring-projects / spring-data-jpa
Simplifies the development of creating a JPA-based data access layer.
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.
opensolon / solon
๐ฅ Java enterprise application development framework for full scenario: Restrained, Efficient, Open, Ecologicalll!!! 700% higher concurrency 50% memory savings Startup is 10 times faster. Packing 90% smaller; Compatible with java8 ~ java26; Supports LTS. (Replaceable spring)
manifold-systems / manifold
Manifold is a Java compiler plugin, its features include Metaprogramming, Properties, Extension Methods, Operator Overloading, Templates, a Preprocessor, and more.
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.
Leviidev / Husk
Run Android on iOS. Natively or Emulated.
itext / itext-java
iText for Java represents the next level of SDKs for developers that want to take advantage of the benefits PDF can bring. Equipped with a better document engine, high and low-level programming capabilities and the ability to create, edit and enhance PDF documents, iText can be a boon to nearly every workflow.
validator / validator
The Nu Html Checker (vnu)
Discord4J / Discord4J
Discord4J is a fast, powerful, unopinionated, reactive library to enable quick and easy development of Discord bots for Java, Kotlin, and other JVM languages using the official Discord Bot API.
codenameone / CodenameOne
Open-source framework for native apps from one Java codebase, with a custom-rendered UI you control across iOS, Android, desktop, web, and watches.
spring-projects / spring-data-redis
Provides support to increase developer productivity in Java when using Redis, a key-value store. Uses familiar Spring concepts such as a template classes for core API usage and lightweight repository style data access.
jbangdev / jbang
Unleash the power of Java - JBang Lets Students, Educators and Professional Developers create, edit and run self-contained source-only Java programs with unprecedented ease.
spring-projects / spring-data-mongodb
Provides support to increase developer productivity in Java when using MongoDB. Uses familiar Spring concepts such as a template classes for core API usage and lightweight repository style data access.
ReSo7200 / InstaEclipse
An Instagram Xposed module with features like Developer Options, Ghost Mode, Ad-Free browsing, and Distraction-Free Mode.
jrvansuita / MaterialAbout
๐ It's a material-design about screen to use on your Android apps. A developer profile and application information easy to integrate.
Netflix / mantis
A platform that makes it easy for developers to build realtime, cost-effective, operations-focused applications
cuba-platform / cuba
CUBA Platform is a high level framework for enterprise applications development
higress-group / himarket
HiMarket is an enterprise-level "AI Capability Marketplace and Developer Ecosystem Hub." It is not merely a simple aggregation of traditional APIs, but rather a comprehensive platform that packages, publishes, manages, and operates core AI assets such as enterprise Model APIs, MCP Servers, Agent APIs, etc., through standardized product formats.
kuafuai / aipexbase
AipexBase is an AI-native BaaS platform. You only need to develop the frontend with vibe coding tools, and leave the backend to AipexBase!
sakaiproject / sakai
Sakai is a freely available, feature-rich technology solution for learning, teaching, research and collaboration. Sakai is an open source software suite developed by a diverse and global adopter community.
MCreator / MCreator
MCreator is an open-source software used to make Minecraft Java Edition mods, Minecraft Bedrock Edition Add-Ons, resource packs, and data packs using an intuitive easy-to-learn interface or with an integrated code editor. It is used worldwide by Minecraft players, aspiring mod developers, for education, online classes, and STEM workshops.
steve-community / steve
SteVe - OCPP server implementation in Java. Your trusted open-source EV charging station management system since 2013. Used by CPOs, manufacturers and developers worldwide. Managed cloud โ
googlesamples / android-testdpc
Test DPC is a sample device policy controller for use with Android Enterprise. It gives developers the ability to see how their app will behave in a managed context such as device owner or within a managed profile. Users can set up a work profile, enable work apps, set applications restrictions, manage security polices, and much more. The app also serves as a implementation reference for other DPCs
agents-flex / agents-flex
Agents-flex is A lightweight Java AI agent development framework (positioned as a counterpart to Spring AI). It supports features such as RAG, MCP, Skills, Text2SQL , LLM Wiki, Sub-agents, Web Search, TTS (synchronous and streaming), and STT.
microsoft / HydraLab
Intelligent cloud testing made easy.
authorjapps / zerocode
zerocode-tdd is a community-developed, free, open-source, outcome-driven automated testing framework for Data Pipelines, ETL, REST API, Kafka(Data Streams), Databases and Load scenarios. all defined in simple JSON or YAML โ with zero coding.
HbmMods / Hbm-s-Nuclear-Tech-GIT
A flaming wreck of a minecraft mod about nuclear technology that is somehow still in development.
vaadin / hilla
Build better business applications, faster. No more juggling REST endpoints or deciphering GraphQL queries. Hilla seamlessly connects Spring Boot and React to accelerate application development.
lucee / Lucee
Lucee is a high-performance, open-source CFML server written in Java. Supporting JDBC, Caching, Parallelism, HTTP, ORM, REST, S3 and dynamic Java integration, Lucee is great for developers aiming to build fast, scalable applications, delivering faster startup, rapid compilation and better runtime performance.
apache / causeway
Use Apache Causewayโข to rapidly develop domain-driven apps or modular monoliths in Java, on top of the Spring Boot platform. Write your business logic in entities, domain services or view models, and the framework dynamically generates a representation of that domain model as a webapp, GraphQL or RESTful API. For prototyping or production.
SpaceMadness / lunar-unity-console
High-performance Unity iOS/Android logger built with native platform UI
javalite / javalite
JavaLite is a cohesive collection of frameworks designed from ground up to add pleasure back to your daily life
spring-projects / spring-data-neo4j
Provide support to increase developer productivity in Java when using Neo4j. Uses familiar Spring concepts such as a template classes for core API usage and lightweight repository style data access.
LegacyLands / legacy-lands-library
Enterprise-grade modular framework for Minecraft server development with multi-tier caching, Redis Streams, resilient data processing, and modern Java concurrency. Built on Fairy Framework for production-scale plugin development.
jboss-developer / jboss-eap-quickstarts
The quickstarts demonstrate JBoss EAP, Jakarta EE 10 and a few additional technologies. They provide small, specific, working examples that can be used as a reference for your own project.
GoogleChrome / android-browser-helper
The Android Browser Helper library helps developers use Custom Tabs and Trusted Web Activities on top of the AndroidX browser support library.