Spring Cloud Alibaba provides a one-stop solution for application development for the distributed solutions of Alibaba middleware.
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Modern Java - A Guide to Java 8
Cryptomator for Windows, macOS, and Linux: Secure client-side encryption for your cloud storage, ensuring privacy and control over your data.
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.
The most widely used, high performance Minecraft server that aims to fix gameplay and mechanics inconsistencies
Apereo CAS - Identity & Single Sign On for all earthlings and beyond.
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 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.
Side menu with some categories to choose.
Roadmap to becoming a Java developer in 2026
Decompiler from Java bytecode to Java, used in IntelliJ IDEA.
Apache NetBeans
Cucumber for the JVM
Manifold is a Java compiler plugin, its features include Metaprogramming, Properties, Extension Methods, Operator Overloading, Templates, a Preprocessor, and more.
Neat library, that provides a simple way to implement guillotine-styled animation
Security engine for Java (authentication, authorization, multi frameworks): OpenID Connect, SAML2, CAS, OAuth, LDAP, JWT...
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.
An extensible Java library for HTTP request and response logging
This project aims to provide a working page flip implementation for usage in ListView.
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.
Spring Integration provides an extension of the Spring programming model to support the well-known Enterprise Integration Patterns (EIP)
An android library which provides a compact calendar view much like the one used in google calenders.
A functional reactive framework for managing state evolution and side-effects.
Apache OFBiz is an open source product for the automation of enterprise processes. It includes framework components and business applications for ERP, CRM, E-Business/E-Commerce, Supply Chain Management and Manufacturing Resource Planning. OFBiz provides a foundation and starting point for reliable, secure and scalable enterprise solutions.