Apache Flink Client APIs and utilities for submitting and interacting with Flink jobs

Apache Flink client library providing programmatic APIs and command-line interfaces for submitting, managing, and monitoring Flink jobs.

Test utilities for validating user classloader functionality in Apache Flink client components

Apache Flink batch processing connectors for Avro, JDBC, Hadoop, HBase, and HCatalog data sources

Apache Flink Avro format support library providing serialization and deserialization capabilities for Apache Avro data format within Flink streaming and batch processing applications

Architecture testing framework for Apache Flink test code using ArchUnit

Apache Flink architectural tests for production code validation using ArchUnit framework

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