#messaging

An application development platform

Secure Low-Latency Interactive Messaging Language Bindings

Ruby client for NATS, the cloud native messaging system.

A Node library for communicating with the Plivo API and generating Plivo XML.

An async messaging framework for Rust

Taking the Java out of Kafka

Well integrated, advanced private discussions for your Flarum forum.

AMQP client library in Rust, with a clean, futures based API

AMQP 0-9-1 TypeScript client both for Node.js and browsers (using WebSocket)

Klarna's React Native wrapper for the In-App SDK

:satellite: BroadcastChannel to send data between different browser-tabs or nodejs-processes :satellite: + LeaderElection over the channels https://pubkey.github.io/broadcast-channel/

PubNub JavaScript SDK docs https://www.pubnub.com/docs/sdks/javascript

MQTT Server/MQTT Broker - Scalable Distributed MQTT Message Broker for IoT in the 5G Era

Build chat in minutes with Sendbird UIKit open source code.

Shared Protocol Buffers and their associated generated code

Headless Slack for AI agents. A hosted messaging store + router with fast retrieval

Distributed Application Framework for .NET

Agent Communication Envelope and Utilities

Messaging with Microsoft Azure in a breeze.

Biblioteket implementerer basisbehovet for meldingsutveksling innenfor norsk helsesektor ved bruk av AMQP-protokollen

Calling IBM MQ from Python - an MQI wrapper

Lightweight message bus interface for .NET (pub/sub and request-response) with transport plugins for popular message brokers.

Sans-io Apache Pulsar client driver for Rust.

Enterprise library to build .NET microservice solution

MQTTnet is a high performance .NET library for MQTT based communication. It provides a MQTT client and a MQTT server (broker). The implementation is based on the documentation from http://mqtt.org/.

A beautiful Terminal User Interface for WhatsApp using WAHA (WhatsApp HTTP API). Manage your WhatsApp sessions, chats, and messages directly from your terminal with an intuitive TUI powered by OpenTUI.

Silverback is a message bus and broker integration library for .NET. It is designed to simplify event-driven architectures and asynchronous messaging, with first-class support for Apache Kafka and MQTT.

PHP client library SDK for Ably realtime messaging service

Cross-vendor messaging for CLI AI coding agents — let Claude Code, Codex, Gemini & Copilot talk to each other in one team. Bash + SQLite, no daemon, no framework.

Performant pure-PHP AMQP (RabbitMQ) sync/async (ReactPHP) library