Open source implementation of OPC UA (OPC Unified Architecture) aka IEC 62541 licensed under Mozilla Public License v2.0

Eclipse iceoryx™ - true zero-copy inter-process-communication

Event Dispatcher and callback list for C++

📦 eCAL - enhanced Communication Abstraction Layer. A high performance publish-subscribe, client-server cross-plattform middleware.

Logical Replication extension for PostgreSQL 15, 14, 13, 12, 11, 10, 9.6, 9.5, 9.4 (Postgres), providing much faster replication than Slony, Bucardo or Londiste, as well as cross-version upgrades.

A micro library providing Ruby objects with Publish-Subscribe capabilities

A Prometheus exporter for NATS metrics

The Web Application Messaging Protocol

Fast C++ IPC using shared memory

Go/Golang client for emitter

An implementation of Actor, Publish-Subscribe, and CSP models in one rather small C++ framework. With performance, quality, and stability proved by years in the production.

Nuwber's RabbitEvents provides a simple observer implementation, allowing you to publishing and handling for various events that occur in your applications. For example, if you need to react to some event occurred in another API.

Object Oriented Internet - C# deliverables supporting a new Machine To Machine (M2M) communication architecture

Realtime Message Bus for the Web. Javascript Implementation

PHP Service Bus (publish-subscribe pattern) implementation

Every developer deserves the right of creating microservices without using any framework 🤍

Python Django as Producer and Consumer using Apache Kafka for content queue and Celery for task queue

Eclipse iceoryx2™ - true zero-copy inter-process-communication in pure Rust

📦 TCP based publish-subscribe library for C++ 🌐

IBM MQ JMeter Extension.