#messaging

MUI X: Build complex and data-rich applications using a growing list of advanced React components, like the Data Grid, Date and Time Pickers, Charts, and more!

High-Performance server for NATS.io, the cloud and edge native messaging system.

JS / Browser Client - Build Chat with GetStream.io

Apache Iggy: Hyper-Efficient Message Streaming at Laser Speed

Apache Pulsar - distributed pub-sub messaging system

Matrix Client-Server SDK for Rust

:speech_balloon: Android Chat SDK ➜ Stream Chat API. UI component libraries for chat apps. Kotlin & Jetpack Compose messaging SDK for Android chat

React Chat SDK ➜ Stream Chat 💬

Apache ActiveMQ

Apache Pulsar Go Client Library

Apache RocketMQ is a cloud native messaging and streaming platform, making it simple to build event-driven applications.

zenoh unifies data in motion, data in-use, data at rest and computations. It carefully blends traditional pub/sub with geo-distributed storages, queries and computations, while retaining a level of time and space efficiency that is well beyond any of the mainstream stacks.

The most scalable and reliable MQTT broker for AI, IoT, IIoT and connected vehicles

Universal chat layer for building bots and agents.

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

IoT Platform Framework

Python3 client for NATS

A framework for building messaging apps with .NET and C#.

OneSignal makes engaging customers simple and is the fastest, most reliable service to send push notifications, in-app messages, SMS, and emails. This plugin makes it easy to integrate your Cordova app with OneSignal. https://onesignal.com

The gold standard for async .NET microservices on Azure, AWS and on-prem

Production monitoring for distributed systems.

The Redis client for .NET

Messaging library for Python.

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

Async .NET client for NATS: pub/sub, request/reply, JetStream, KV, Object Store, Services

Rust client for NATS, the cloud native messaging system.

The official .NET client library for Apache Pulsar

Hyperledger FireFly is the first open source Supernode: a complete stack for enterprises to build and scale secure Web3 applications. The FireFly API for digital assets, data flows, and blockchain transactions makes it radically faster to build production-ready apps on popular chains and protocols.

SimpleX - the first messaging network operating without user identifiers of any kind - 100% private by design! iOS, Android and desktop apps 📱!

shared library bindings & reference implementation of XMTP (X-tensible Message Transport Protocol)