The Top 212 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 212 Messaging Open Source Projects

Categories > Messaging > Messaging

A realtime distributed messaging platform

Jsqmessagesviewcontroller ⭐ 11,232

An elegant messages UI library for iOS

Nats Server ⭐ 9,481

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

Pulsar ⭐ 8,998

Apache Pulsar - distributed pub-sub messaging system

Rabbitmq Server ⭐ 8,486

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

An Open-Source, Cloud-Native, distributed MQTT Message Broker for Large-scale IoT Applications.

Libzmq ⭐ 7,050

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

Aeron ⭐ 5,579

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 ⭐ 5,097

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

Ejabberd ⭐ 4,894

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

Messagekit ⭐ 4,806

A community-driven replacement for JSQMessagesViewController

Berty ⭐ 4,602

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

Jocko ⭐ 4,293

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

Messenger ⭐ 4,164

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

Franz ⭐ 3,988

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

Php Amqplib ⭐ 3,827

The most widely used PHP client for RabbitMQ

Bottender ⭐ 3,653

⚡️ A framework for building conversational user interfaces.

Masstransit ⭐ 3,639

Distributed Application Framework for .NET

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

Ricochet ⭐ 3,533

Anonymous peer-to-peer instant messaging

Chatkit ⭐ 3,403

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

Qksms ⭐ 3,312

The most beautiful SMS messenger for Android

Chatsecure Ios ⭐ 3,017

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

Vernemq ⭐ 2,484

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

Strimzi Kafka Operator ⭐ 2,458

Apache Kafka running on Kubernetes

Vuvuzela ⭐ 2,400

Private messaging system that hides metadata

Netmq ⭐ 2,243

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

Kombu ⭐ 2,169

Messaging library for Python.

Liftbridge ⭐ 2,101

Lightweight, fault-tolerant message streams.

Crossbar ⭐ 1,932

Crossbar.io - WAMP application router

Nservicebus ⭐ 1,770

The most popular service bus for .NET

Magma ⭐ 1,709

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.

Signal Cli ⭐ 1,701

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

Timy Messenger ⭐ 1,682

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

Messaging Apis ⭐ 1,676

Messaging APIs for multi-platform

Elasticmq ⭐ 1,655

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

Rebus ⭐ 1,608

🚌 Simple and lean service bus implementation for .NET

Im_service ⭐ 1,596

golang im server

Sandglass ⭐ 1,530

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

Chat Sdk Android ⭐ 1,445

Chat SDK Android - Open Source Mobile Messenger

Mainflux ⭐ 1,443

Industrial IoT Messaging and Device Management Platform

Mongooseim ⭐ 1,416

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

Foundatio ⭐ 1,404

Pluggable foundation blocks for building distributed apps.

Bunny ⭐ 1,238

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

Alpakka ⭐ 1,171

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

Rabbitmqbundle ⭐ 1,138

RabbitMQ Bundle for the Symfony web framework

Beaver ⭐ 1,102

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

Jackal ⭐ 1,076

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

Cryptocat ⭐ 1,017

Secure chat software for your computer.

Bloom ⭐ 1,005

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

Android client for Project Tox - Secure Peer to Peer Messaging

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

Nats.rb ⭐ 854

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.

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

Chat Sdk Ios ⭐ 825

Chat SDK iOS - Open Source Mobile Messenger

React Instagram Clone 2.0 ⭐ 779

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

Integrations ⭐ 722

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

Growingtextview ⭐ 710

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

Activemq Artemis ⭐ 709

Mirror of Apache ActiveMQ Artemis

Spring Cloud Stream ⭐ 701

Framework for building Event-Driven Microservices

Emberfire ⭐ 693

The officially supported adapter for using Firebase with Ember

Fast and reliable message broker built on top of Kafka.

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

Countly Sdk Android ⭐ 631

Countly Product Analytics Android SDK

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

Hivemq Community Edition ⭐ 610

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

Threema Android ⭐ 536

Threema App for Android.

Messenger ⭐ 513

iOS - Real-time messaging app 🎨

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

Backbone.radio ⭐ 498

Messaging patterns for Backbone applications.

Azure Service Bus ⭐ 492

☁️ Azure Service Bus service issue tracking and samples

Centrifuge ⭐ 486

Real-time messaging library for Go with scalability in mind.

Messenger Ios Chat Swift Firestore ⭐ 447

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

Service Bus ⭐ 437

PHP Lightweight Message Bus supporting CQRS.

Servicebus ⭐ 416

Simple service bus for sending events between processes using amqp.

Libdime ⭐ 415

The DIME resolver library and command line utilities.

Stream Chat Swift ⭐ 410

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

Nats.net ⭐ 409

The official C# Client for NATS

Stream Chat Android ⭐ 405

Official Android SDK for Stream Chat. Powerful client, offline support, and UI component libraries for awesome in-app chat features. Kotlin-first, Open-Source, free for Makers.

PingMe is a CLI tool which provides the ability to send messages or alerts to multiple messaging platforms & email.

Antidote ⭐ 389

No longer maintained

Rpc Websockets ⭐ 383

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

Stream Chat Flutter ⭐ 379

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

Quickblox Ios Sdk ⭐ 376

QuickBlox iOS SDK for messaging and video calling

Kahla.app ⭐ 376

Kahla is a cross-platform business messaging app.

Stompjs ⭐ 374

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

Nats.java ⭐ 346

Java client for NATS

Spring Cloud Bus ⭐ 345

Spring Cloud event bus

Falconmessenger ⭐ 345

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

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

Eclipse Hono™ Project

Sockethub ⭐ 331

A protocol gateway for the Web

Vonage Node Sdk ⭐ 325

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

Pulsar Client Go ⭐ 319

Apache Pulsar Go Client Library

Langohr ⭐ 313

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

The next generation messenger.

1-100 of 212 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