The Top 195 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 195 Messaging Open Source Projects

Categories > Messaging > Messaging

A realtime distributed messaging platform

Jsqmessagesviewcontroller ⭐ 11,249

An elegant messages UI library for iOS

Nats Server ⭐ 8,757

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

Rabbitmq Server ⭐ 7,980

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 ⭐ 7,081

Apache Pulsar - distributed pub-sub messaging system

Libzmq ⭐ 6,672

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

Aeron ⭐ 5,332

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 ⭐ 4,818

Scalable real-time messaging server in language-agnostic way

Ejabberd ⭐ 4,740

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

Messagekit ⭐ 4,549

A community-driven replacement for JSQMessagesViewController

Jocko ⭐ 4,113

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

Messenger ⭐ 4,066

Open source, native iOS Messenger, with audio/video calls and realtime chat conversations (full offline support).

Franz ⭐ 3,901

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

Php Amqplib ⭐ 3,678

The most widely used PHP client for RabbitMQ

Bottender ⭐ 3,543

⚡️ A framework for building conversational user interfaces.

Ricochet ⭐ 3,504

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.

Chatkit ⭐ 3,294

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

Masstransit ⭐ 3,238

Distributed Application Framework for .NET

Qksms ⭐ 3,096

The most beautiful SMS messenger for Android

Chatsecure Ios ⭐ 2,960

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

Vuvuzela ⭐ 2,397

Private messaging system that hides metadata

Vernemq ⭐ 2,352

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

Strimzi Kafka Operator ⭐ 2,140

Apache Kafka running on Kubernetes

Netmq ⭐ 2,128

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

Kombu ⭐ 2,077

Messaging library for Python.

Liftbridge ⭐ 1,977

Lightweight, fault-tolerant message streams.

Crossbar ⭐ 1,796

Crossbar.io - WAMP application router

Nservicebus ⭐ 1,725

The most popular service bus for .NET

Magma ⭐ 1,688

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 ⭐ 1,620

Messaging APIs for multi-platform

Timy Messenger ⭐ 1,575

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

Im_service ⭐ 1,544

golang im server

Sandglass ⭐ 1,531

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

Elasticmq ⭐ 1,527

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

Rebus ⭐ 1,477

🚌 Simple and lean service bus implementation for .NET

Signal Cli ⭐ 1,376

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

Mongooseim ⭐ 1,366

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

Chat Sdk Android ⭐ 1,362

Chat SDK Android - Open Source Mobile Messenger

Foundatio ⭐ 1,334

Pluggable foundation blocks for building distributed apps.

Mainflux ⭐ 1,258

Industrial IoT Messaging and Device Management Platform

Bunny ⭐ 1,213

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

Alpakka ⭐ 1,143

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

Beaver ⭐ 1,026

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

Cryptocat ⭐ 1,005

Secure chat software for your computer.

Android client for Project Tox - Secure Peer to Peer Messaging

Nats.rb ⭐ 850

Ruby client for NATS, the cloud native messaging system.

Vonage Php Sdk Core ⭐ 848

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

Chat Sdk Ios ⭐ 801

Chat SDK iOS - Open Source Mobile Messenger

React Instagram Clone 2.0 ⭐ 733

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

Integrations ⭐ 724

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

Emberfire ⭐ 689

The officially supported adapter for using Firebase with Ember

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

Growingtextview ⭐ 672

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

Activemq Artemis ⭐ 663

Mirror of Apache ActiveMQ Artemis

Fast and reliable message broker built on top of Kafka.

Spring Cloud Stream ⭐ 641

Framework for building Event-Driven Microservices

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

Countly Sdk Android ⭐ 621

Countly Product Analytics Android SDK

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

Hivemq Community Edition ⭐ 539

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

Backbone.radio ⭐ 496

Messaging patterns for Backbone applications.

Messenger ⭐ 474

iOS - Real-time messaging app 🎨

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

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

Azure Service Bus ⭐ 461

☁️ Azure Service Bus service issue tracking and samples

Service Bus ⭐ 430

PHP Lightweight Message Bus supporting CQRS.

Centrifuge ⭐ 422

Real-time messaging library for Go with scalability in mind

Libdime ⭐ 417

The DIME resolver library and command line utilities.

Threema Android ⭐ 413

Threema App for Android.

Servicebus ⭐ 411

Simple service bus for sending events between processes using amqp.

Antidote ⭐ 390

No longer maintained

Messenger Ios Chat Swift Firestore ⭐ 387

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

Nats.net ⭐ 371

The official C# Client for NATS

Kahla.app ⭐ 366

Kahla is a cross-platform business messaging app.

Quickblox Ios Sdk ⭐ 364

QuickBlox iOS SDK for messaging and video calling

Spring Cloud Bus ⭐ 340

Spring Cloud event bus

Msngr.js ⭐ 339

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

Framework for automated integration tests with focus on messaging integration

Rpc Websockets ⭐ 323

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

Vonage Node Sdk ⭐ 317

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

Nats.java ⭐ 316

Java client for NATS

Eclipse Hono™ Project

Langohr ⭐ 303

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

The next generation messenger.

Stompjs ⭐ 300

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

Falconmessenger ⭐ 298

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

Ockam is a suite of tools, programming libraries and infrastructure that make it easy to build devices that communicate securely, privately and trustfully with cloud services and other devices.

Plugins ⭐ 284

Official Franz Plugin Repository

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

Service Bus ⭐ 277

PHP Service Bus (publish-subscribe pattern) implementation

Wickr Crypto C ⭐ 276

An implementation of the Wickr Secure Messaging Protocol in C

a modern Tox client for the GNU/Linux desktop

Product Ei ⭐ 271

An open source, a high-performance hybrid integration platform that allows developers quick integration with any application, data, or system.

Eiskaltdcpp ⭐ 267

File sharing program using DC and ADC protocols

XEP-0384: OMEMO Encryption for libpurple.

Acts As Messageable ⭐ 239

Gem that allows communication between the models.

Azure Service Bus Dotnet ⭐ 237

☁️ .NET Standard client library for Azure Service Bus

1-100 of 195 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