Base library for Apache Flink architecture tests that provides common ArchUnit extensions and utilities for validating architectural constraints in both production and test code

Apache Flink annotations for API stability and visibility control across the Flink ecosystem

Apache Dubbo is a powerful RPC framework for building enterprise-grade microservices with service discovery, load balancing, and fault tolerance.

High-level API that greatly simplifies using ZooKeeper.

Low-level API for Apache ZooKeeper client library providing connection management, retry policies, and basic ZooKeeper operations

Apache Avro core components for data serialization with rich data structures, compact binary format, and schema evolution support

Maven plugin for Avro IDL and Specific API Compilers providing code generation from schema files

Apache Avro meta-framework that coordinates data serialization implementations across multiple programming languages

Hadoop MapReduce compatible API for using Avro serialization in distributed data processing pipelines

Avro inter-process communication components providing RPC framework with multiple transport mechanisms and protocol implementations

Compilers for Avro IDL and Avro Specific Java API - provides code generation tools for converting Avro schemas and IDL definitions into Java classes

Netty-based implementation for Apache Avro's inter-process communication (IPC) system providing high-performance, asynchronous network communication.

Common utilities, API classes, and shared functionality for Apache ActiveMQ Artemis message broker

High performance Apache 2.0 licensed Message Broker supporting JMS, AMQP, MQTT, and HTTP protocols with comprehensive enterprise features including persistence, security, clustering, and Spring integration.

Java runtime library for ANTLR v3 - a framework for constructing recognizers, interpreters, compilers, and translators from grammatical descriptions.

Java library for verifying the contract of equals and hashCode methods in unit tests

PMD language module for static analysis of Apache Velocity Template Language (VTL) files

PMD Swift language module for copy-paste-detector (CPD) functionality

PMD language module that provides static code analysis capabilities for Salesforce Visualforce pages and components

Python language support module for PMD's Copy-Paste Detector (CPD), enabling detection of duplicated code in Python source files