messaging

Ncurses based XMPP client

Rust client for NATS, the cloud native messaging system.

WhatsApp desktop application written in PyQt6 + PyQt6-WebEngine.

🚀Apache RocketMQ build in Rust🦀. Faster, safer, and with lower memory usage. ⭐ Star to support our work❤️!

Lightweight, self-hosted, open-source chat server with voice, video, text, and screen sharing. Built for small groups who want privacy, simplicity, and full control over their data.

Real-time messaging library for Go. The simplest way to add feature-rich and scalable WebSocket support to your application. The core of Centrifugo server.

A native implementation of ØMQ in Rust

Bunny is a popular, easy to use, mature Ruby client for RabbitMQ

A practical microservices with the latest technologies and architectures like Vertical Slice Architecture, Event Sourcing, CQRS, DDD, gRpc, MongoDB, RabbitMq, Wolverine, and Aspire in .Net 10.

Bidirectional Channels for JavaScript

Alpakka is a Reactive Enterprise Integration library for Java and Scala, based on Reactive Streams and Akka.

A curated list of awesome tips and tricks, resources, videos and articles in .net, software architecture, microservice and cloud-native.

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

RabbitMQ Bundle for the Symfony web framework

即时通讯，聊天，野火IM iOS客户端

HiveMQ CE is a Java-based open source MQTT broker that fully supports MQTT 3.x and MQTT 5. It is the foundation of the HiveMQ Enterprise Connectivity and Messaging Platform

Framework for building Event-Driven Microservices

Flutter Chat SDK - Build your own chat app experience using Dart, Flutter and the Stream Chat Messaging API.

ChatLayout is an alternative solution to MessageKit. It uses custom UICollectionViewLayout to provide you full control over the presentation as well as all the tools available in UICollectionView. It supports dynamic cells and supplementary view sizes.

Apache Artemis

A reactive Single-Page Instagram-Clone with some new features!! 💪📸👓 - No longer maintained.

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

Threema App for Android.

💬 iOS Chat SDK in Swift - Build your own app chat experience for iOS using the official Stream Chat API

Agent communication SDK. The open-source agent communication layer for AI agents — email, WhatsApp, Slack, Discord, Telegram, SMS. Python & TypeScript.

Vonage REST API client for PHP. API support for SMS, Voice, Text-to-Speech, Numbers, Verify (2FA) and more.

Web & desktop (Electron) client for the OCTO open workplace — one React + TypeScript codebase shipping browser and PC surfaces, with first-class AI agent UX.

Chatmail Rust Core library, used by Android/iOS/desktop chatmail apps, bindings and bots 📧

Chat SDK iOS - Open Source Mobile Messenger

Ruby client for NATS, the cloud native messaging system.