publish-subscribe

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Thepublish-subscribe pattern (short:pubsub) is an event handling and messaging pattern where the consumersubscribes to the provider, which in return can thenpublish a message that can be picked up and processed by each subscribed consumer.

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krisleech /wisper

Star3.3k

A micro library providing Ruby objects with Publish-Subscribe capabilities

ruby events pubsub publish-subscribe

UpdatedAug 15, 2024
Ruby

open62541 /open62541

Star3k

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

c client sdk server pubsub industrial-automation publish-subscribe opc opc-ua iec-62541 opcua tsn

UpdatedFeb 7, 2026
C

eclipse-iceoryx /iceoryx2

Star2k

Eclipse iceoryx2™ - true zero-copy inter-process-communication with a Rust core

rust middleware eclipse ipc zero-copy pubsub rpc inter-process-communication publish-subscribe shared-memory request-response iceoryx

UpdatedFeb 5, 2026
Rust

eclipse-iceoryx /iceoryx

Star2k

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

middleware cpp eclipse ipc zero-copy pubsub client-server inter-process-communication dds publish-subscribe shared-memory ros2 request-response autosar-adaptive iceoryx cyclonedds

UpdatedNov 2, 2025
C++

wqking /eventpp

Star1.6k

Event Dispatcher and callback list for C++

observer-pattern cpp11 callback header-only signal event-dispatcher publish-subscribe slot thread-safe nested-events

UpdatedDec 8, 2024
C++

2ndQuadrant /pglogical

Star1.2k

Logical Replication extension for PostgreSQL 17, 16, 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.

subscription replication etl zero-downtime postgresql data-transformation publish-subscribe cdc logical-decoding data-transport database-replication

UpdatedAug 23, 2025
C

eclipse-ecal /ecal

Star976

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

middleware ipc client-server publish-subscribe shared-memory autonomous-driving interprocess-communication message-protocol google-protobuf ecal

UpdatedFeb 6, 2026
C++

Squadrick /shadesmar

Star627

Fast C++ IPC using shared memory

cpp high-performance ipc rpc publish-subscribe shared-memory interprocess-communication

UpdatedAug 15, 2022
C++

Stiffstream /sobjectizer

Star584

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.

csp actors cplusplus cpp actor-model thread concurrency multithreading pubsub actor concurrent-programming publish-subscribe agents communicating-sequential-processes message-passing actor-library cplusplus-17 actor-framework sobjectizer

UpdatedNov 19, 2025
C++

wamp-proto /wamp-proto

Star485

The Web Application Messaging Protocol

websocket protocol wamp publish-subscribe remote-procedure-calls wamp-spec ietf-standard

UpdatedNov 12, 2025
Just

nats-io /prometheus-nats-exporter

Star464

A Prometheus exporter for NATS metrics

monitoring prometheus nats grafana-dashboard publish-subscribe nats-streaming nats-server nats-client

UpdatedFeb 5, 2026
Go

php-service-bus /service-bus

Star350

PHP Service Bus (publish-subscribe pattern) implementation

async messaging command-bus event-sourcing publish-subscribe amphp

UpdatedMay 27, 2025
PHP

Dasync /Dasync

Star197

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

distributed-systems cloud microservices csharp serverless azure ddd actor-model event-driven-microservices cloud-computing finite-state-machine publish-subscribe workflows saga-pattern stateful-actors cloud-native-microservices actor-framework dasync service-oriented-applications

UpdatedJul 16, 2023
C#

HBM /node-jet

Star169

Realtime Message Bus for the Web. Javascript Implementation

distributed-systems websockets realtime publish-subscribe jet

UpdatedDec 19, 2025
TypeScript

jq-rs /mles-rs

Star167

Distributed publish-subscribe data service and Mles protocol reference implementation on Rust, Warp and Serde

rust websocket publish-subscribe mles-protocol

UpdatedNov 19, 2025
Rust

teivah /broadcast

Sponsor

Star157

Notification broadcaster library

notifications go golang library concurrency channels parallelism goroutine publish-subscribe goroutines

UpdatedMay 5, 2022
Go

bondy-io /bondy

Star150

Bondy is an open source, always-on and scalable application networking platform connecting all elements of a distributed application—offering service and event mesh capabilities combined. Bondy implements the open Web Application Messaging Protocol (WAMP) and is written in Erlang.