PMD JSP language module providing static code analysis capabilities for JavaServer Pages files with lexical analysis, AST parsing, and rule-based code quality checks.

Java language support module for the PMD static code analyzer with AST processing, symbol resolution, type system, metrics, and 400+ built-in rules

C++ language module for PMD's Copy-Paste Detector providing lexical analysis and tokenization support for C++ source code

PMD Core provides the fundamental framework and engine for static code analysis across multiple programming languages.

PMD Apex language module providing static code analysis support for Salesforce Apex programming language.

A headless browser intended for use in testing web-based applications.

A headless browser for Java programs that provides web automation, form handling, JavaScript execution, and DOM manipulation capabilities.

Graph implementations for the JUNG project - provides concrete implementations of graph data structures for the Java Universal Network/Graph Framework

Fast and lightweight JSON parsing and generation library for Java applications with high-performance processing capabilities.

A Gson-based JSON serializer for Adventure text components, providing serialization and deserialization of Minecraft text components to/from JSON format using Google's Gson library

A serverside user interface library for Minecraft: Java Edition

Spring Framework integration for ShedLock distributed locking library that provides AOP-based annotations for method-level task coordination across multiple application instances

Java Native Access (JNA) provides Java programs easy access to native shared libraries without writing anything but Java code - no JNI or native code is required.

Byte Buddy Agent is a Java instrumentation agent library that provides convenient APIs for attaching Java agents to local or remote virtual machines.

Java Discord API - A comprehensive Java library for building Discord bots and applications

Java Native Access Platform provides cross-platform mappings and utilities for commonly used platform functions across Windows, macOS, and Linux systems.

Mockito mock objects library core API and implementation

Modern, JVM-based framework for building modular, easily testable microservice and serverless applications with compile-time DI and fast startup.

Liquibase is a tool for managing and executing database changes.

JUnit Jupiter Engine - The core test execution engine for JUnit 5 that provides the TestEngine implementation for discovering and executing tests written with the Jupiter programming and extension model.