The Top 209 Messaging Open Source Projects

Awesome Open Source

Awesome Open Source

Combined Topics

Advertising 📦 10

Application Programming Interfaces 📦 124

Applications 📦 192

Artificial Intelligence 📦 78

Blockchain 📦 73

Build Tools 📦 113

Cloud Computing 📦 80

Code Quality 📦 28

Collaboration 📦 32

Command Line Interface 📦 49

Community 📦 83

Companies 📦 60

Compilers 📦 63

Computer Science 📦 80

Configuration Management 📦 42

Content Management 📦 175

Control Flow 📦 213

Data Formats 📦 78

Data Processing 📦 276

Data Storage 📦 135

Economics 📦 64

Frameworks 📦 215

Graphics 📦 110

Hardware 📦 152

Integrated Development Environments 📦 49

Learning Resources 📦 166

Libraries 📦 129

Lists Of Projects 📦 22

Machine Learning 📦 347

Mapping 📦 64

Marketing 📦 15

Mathematics 📦 55

Messaging 📦 98

Networking 📦 315

Operating Systems 📦 89

Operations 📦 121

Package Managers 📦 55

Programming Languages 📦 245

Runtime Environments 📦 100

Science 📦 42

Security 📦 396

Social Media 📦 27

Software Architecture 📦 72

Software Development 📦 72

Software Performance 📦 58

Software Quality 📦 133

Text Editors 📦 49

Text Processing 📦 136

User Interface 📦 330

User Interface Components 📦 514

Version Control 📦 30

Virtualization 📦 71

Web Browsers 📦 42

Web Servers 📦 26

Web User Interface 📦 210

The Top 209 Messaging Open Source Projects

Categories > Messaging > Messaging

A realtime distributed messaging platform

Jsqmessagesviewcontroller ⭐ 11,233

An elegant messages UI library for iOS

Nats Server ⭐ 9,115

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

Rabbitmq Server ⭐ 8,284

Open source RabbitMQ: core server and tier 1 (built-in) plugins

EMQ X Broker - Scalable Distributed MQTT Message Broker for IoT in the 5G Era

Pulsar ⭐ 7,587

Apache Pulsar - distributed pub-sub messaging system

Libzmq ⭐ 6,886

ZeroMQ core engine in C++, implements ZMTP/3.1

Aeron ⭐ 5,463

Efficient reliable UDP unicast, UDP multicast, and IPC message transport

Instant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots

Centrifugo ⭐ 4,959

Scalable real-time messaging server in language-agnostic way. Set up once and forever.

Ejabberd ⭐ 4,833

Robust, Ubiquitous and Massively Scalable Messaging Platform (XMPP, MQTT, SIP Server)

Messagekit ⭐ 4,709

A community-driven replacement for JSQMessagesViewController

Berty ⭐ 4,411

Berty is a secure peer-to-peer messaging app that works with or without internet access, cellular data or trust in the network

Jocko ⭐ 4,234

Kafka implemented in Golang with built-in coordination (No ZK dep, single binary install, Cloud Native)

Messenger ⭐ 4,118

Open source, native iOS Messenger, with realtime chat conversations (full offline support).

Franz ⭐ 3,950

Franz is a free messaging app for services like WhatsApp, Slack, Messenger and many more.

Php Amqplib ⭐ 3,774

The most widely used PHP client for RabbitMQ

Bottender ⭐ 3,596

⚡️ A framework for building conversational user interfaces.

Ricochet ⭐ 3,531

Anonymous peer-to-peer instant messaging

qTox is a chat, voice, video, and file transfer IM client using the encrypted peer-to-peer Tox protocol.

Masstransit ⭐ 3,480

Distributed Application Framework for .NET

Chatkit ⭐ 3,341

Android library. Flexible components for chat UI implementation with flexible possibilities for styling, customizing and data management. Made by Stfalcon

Qksms ⭐ 3,233

The most beautiful SMS messenger for Android

Chatsecure Ios ⭐ 2,997

ChatSecure is a free and open source encrypted chat client for iOS that supports OTR and OMEMO encryption over XMPP.

Vernemq ⭐ 2,429

A distributed MQTT message broker based on Erlang/OTP. Built for high quality & Industrial use cases.

Vuvuzela ⭐ 2,397

Private messaging system that hides metadata

Strimzi Kafka Operator ⭐ 2,306

Apache Kafka running on Kubernetes

Netmq ⭐ 2,210

A 100% native C# implementation of ZeroMQ for .NET

Kombu ⭐ 2,126

Messaging library for Python.

Liftbridge ⭐ 2,037

Lightweight, fault-tolerant message streams.

Crossbar ⭐ 1,810

Crossbar.io - WAMP application router

Nservicebus ⭐ 1,749

The most popular service bus for .NET

Magma ⭐ 1,705

The magma server daemon, is an encrypted email system with support for SMTP, POP, IMAP, HTTP and MOLTEN,. Additional support for DMTP and DMAP is currently in active development.

Messaging Apis ⭐ 1,655

Messaging APIs for multi-platform

Timy Messenger ⭐ 1,646

Timy - open source mobile app for groups to communicate and organize themselves. Built with flutter.

Elasticmq ⭐ 1,599

In-memory message queue with an Amazon SQS-compatible interface. Runs stand-alone or embedded.

Signal Cli ⭐ 1,588

signal-cli provides a commandline and dbus interface for signalapp/libsignal-service-java

Im_service ⭐ 1,565

golang im server

Rebus ⭐ 1,552

🚌 Simple and lean service bus implementation for .NET

Sandglass ⭐ 1,532

Sandglass is a distributed, horizontally scalable, persistent, time sorted message queue.

Chat Sdk Android ⭐ 1,406

Chat SDK Android - Open Source Mobile Messenger

Mongooseim ⭐ 1,395

MongooseIM is a mobile messaging platform with focus on performance and scalability

Foundatio ⭐ 1,374

Pluggable foundation blocks for building distributed apps.

Mainflux ⭐ 1,363

Industrial IoT Messaging and Device Management Platform

Bunny ⭐ 1,227

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

Alpakka ⭐ 1,157

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

Rabbitmqbundle ⭐ 1,127

RabbitMQ Bundle for the Symfony web framework

Beaver ⭐ 1,071

💨 A real time messaging system to build a scalable in-app notifications, multiplayer games, chat apps in web and mobile apps.

Cryptocat ⭐ 1,013

Secure chat software for your computer.

The simplest way to de-Google your life and business: Inbox, Calendar, Files, Contacts & much more

Instant messaging server for the Extensible Messaging and Presence Protocol (XMPP).

Android client for Project Tox - Secure Peer to Peer Messaging

Vonage Php Sdk Core ⭐ 851

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

Nats.rb ⭐ 850

Ruby client for NATS, the cloud native messaging system.

Chat Sdk Ios ⭐ 819

Chat SDK iOS - Open Source Mobile Messenger

React Instagram Clone 2.0 ⭐ 763

A reactive Single-Page Instagram-Clone with some new features!! 💪📸👓

A dead simple Go library for sending notifications to various messaging services.

Integrations ⭐ 722

Connect your App to Multiple Messaging Channels with the W3C Open standard.

Activemq Artemis ⭐ 691

Mirror of Apache ActiveMQ Artemis

Growingtextview ⭐ 691

An UITextView in Swift. Support auto growing, placeholder and length limit.

Emberfire ⭐ 689

The officially supported adapter for using Firebase with Ember

Spring Cloud Stream ⭐ 670

Framework for building Event-Driven Microservices

Fast and reliable message broker built on top of Kafka.

Tools for mutual authentication and end-to-end encrypted messaging between distributed applications.

A distributed, tag-based pub-sub service for modern web applications and container-driven cloud.

Countly Sdk Android ⭐ 626

Countly Product Analytics Android SDK

Iris is a highly configurable and flexible service for paging and messaging.

Hivemq Community Edition ⭐ 574

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

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

Backbone.radio ⭐ 497

Messaging patterns for Backbone applications.

Messenger ⭐ 495

iOS - Real-time messaging app 🎨

Threema Android ⭐ 493

Threema App for Android.

A realtime distributed messaging platform (forked from https://github.com/nsqio/nsq)

Azure Service Bus ⭐ 477

☁️ Azure Service Bus service issue tracking and samples

Centrifuge ⭐ 467

Real-time messaging library for Go with scalability in mind

Service Bus ⭐ 432

PHP Lightweight Message Bus supporting CQRS.

Messenger Ios Chat Swift Firestore ⭐ 417

Messenger Clone - Real-time iOS Chat with Firebase Firestore written in Swift

Libdime ⭐ 416

The DIME resolver library and command line utilities.

Servicebus ⭐ 415

Simple service bus for sending events between processes using amqp.

Antidote ⭐ 389

No longer maintained

Nats.net ⭐ 383

The official C# Client for NATS

Quickblox Ios Sdk ⭐ 373

QuickBlox iOS SDK for messaging and video calling

Kahla.app ⭐ 371

Kahla is a cross-platform business messaging app.

Rpc Websockets ⭐ 351

JSON-RPC 2.0 implementation over WebSockets for Node.js and JavaScript/TypeScript

Stream Chat Flutter ⭐ 350

Stream Chat official Flutter SDK. Build your own chat experience using Dart and Flutter.

Spring Cloud Bus ⭐ 341

Spring Cloud event bus

Msngr.js ⭐ 338

An asynchronous messaging library, written in JavaScript, for node and the web browser

Stompjs ⭐ 335

Javascript and Typescript Stomp client for Web browsers and node.js apps

Framework for automated integration tests with focus on messaging integration

Sockethub ⭐ 330

A protocol gateway for the Web.

Nats.java ⭐ 328

Java client for NATS

Eclipse Hono™ Project

Falconmessenger ⭐ 324

🌟🌟🌟🌟🌟 Falcon Messenger is a Fast and Beautiful cloud-based messaging app. With iOS and IPadOS Support. Available on the App Store.

Vonage Node Sdk ⭐ 323

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

Awesome Privacy ⭐ 317

A curated list of services and alternatives that respect your privacy because PRIVACY MATTERS.

Langohr ⭐ 310

A small, feature complete Clojure client for RabbitMQ that embraces AMQP 0.9.1 model

Stream Chat Swift ⭐ 309

Official iOS SDK for Stream Chat. Build your own chat experience for iOS.

The next generation messenger.

An observable microservice bus library for .NET, that wraps the underlying message transports in simple Rx based interfaces.

Service Bus ⭐ 294

PHP Service Bus (publish-subscribe pattern) implementation

1-100 of 209 projects

Advertising 📦 10

Application Programming Interfaces 📦 124

Applications 📦 192

Artificial Intelligence 📦 78

Blockchain 📦 73

Build Tools 📦 113

Cloud Computing 📦 80

Code Quality 📦 28

Collaboration 📦 32

Command Line Interface 📦 49

Community 📦 83

Companies 📦 60

Compilers 📦 63

Computer Science 📦 80

Configuration Management 📦 42

Content Management 📦 175

Control Flow 📦 213

Data Formats 📦 78

Data Processing 📦 276

Data Storage 📦 135

Economics 📦 64

Frameworks 📦 215

Graphics 📦 110

Hardware 📦 152

Integrated Development Environments 📦 49

Learning Resources 📦 166

Libraries 📦 129

Lists Of Projects 📦 22

Machine Learning 📦 347

Mapping 📦 64

Marketing 📦 15

Mathematics 📦 55

Messaging 📦 98

Networking 📦 315

Operating Systems 📦 89

Operations 📦 121

Package Managers 📦 55

Programming Languages 📦 245

Runtime Environments 📦 100

Science 📦 42

Security 📦 396

Social Media 📦 27

Software Architecture 📦 72

Software Development 📦 72

Software Performance 📦 58

Software Quality 📦 133

Text Editors 📦 49

Text Processing 📦 136

User Interface 📦 330

User Interface Components 📦 514

Version Control 📦 30

Virtualization 📦 71

Web Browsers 📦 42

Web Servers 📦 26

Web User Interface 📦 210