Top 357 messaging open source projects

An elegant messages UI library for iOS

The most popular service bus for .NET

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.

This is the Xastir APRS client repository.

Vonage Server SDK for Python. API support for SMS, Voice, Text-to-Speech, Numbers, Verify (2FA) and more.

Fully fledged Python Pinterest client

Messaging APIs for multi-platform

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

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

AWS Event Fork Pipelines helps you build event-driven serverless applications by providing pipelines for common event-handling requirements, such as event backup, analytics, and replay. The pipelines are based on AWS SAM, and can be deployed directly from AWS SAR into your AWS account.

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

Azure Event Hubs for Apache Kafka Ecosystems

golang im server

Lightweight message bus interface for .NET (pub/sub and request-response) with transport plugins for popular message brokers.

🚌 Simple and lean service bus implementation for .NET

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

android client

This project is demo for Laravel-Talk package and its also Docker ready

DEPRECATED : An Elixir library (driver) for clients communicating with MQTT brokers(via the MQTT 3.1.1 protocol).

Lua binding to ZeroMQ

android ListView with speech bubbles to demonstrate the implementation speech bubbles of chat and message in application.

iOS Real Time Chat & Messaging SDK

Messaging over Bluetooth (Android)

Chat SDK Android - Open Source Mobile Messenger

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

The official .NET client library for Apache Pulsar

Pluggable foundation blocks for building distributed apps.

Simple wrapper for TCP client and server in C# with SSL support

JavaScript SDK of QuickBlox cloud backend platform

Industrial IoT Messaging and Device Management Platform

Idiomatic, fast and well-maintained JRuby client for RabbitMQ

Communication between iOS and watchOS apps just got a whole lot better.

simple but convenient CLI-based Matrix client app for sending and receiving

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

[mirror] Install and manage self-hosted services/applications, on your own server(s) - ansible collection and utilities

AMQP 1.0 support for RabbitMQ

⚠️ Moved to GitLab.

R interface to the awesome Pushbullet service

Unofficial Signal Private Messenger for Windows

The State of Messaging Security 2020: メールおよびメッセージングアプリのセキュリティプロトコルの現在

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

AngularJS 1.x service wrapper for the Vert.x Event Bus

Vonage Server SDK for Java. API support for SMS, Voice, Text-to-Speech, Numbers, Verify (2FA) and more.

Javascript (jQuery) Real Time Chat & Messaging plugin

Open-source Voice & Video Calling and Text Chat App for Kotlin (Android)

An elegant ready to go chat view controller for iOS applications

Providing the Element messaging desktop client packaged for the Fedora, Red Hat(IBM), and OpenSUSE families of linux desktop operating systems.

Conceal Core - Daemon & Wallets (CLI)

PHP 7 AMQP library

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

A simple Java library to interface with Firebase Cloud Messaging (FCM) API. Pushraven allows you to push notifications to clients in very few lines of code.

iotalk is a privacy-minded messaging system built on the IOTA Tangle. Messages are encrypted so only the intended recipient can read them.

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

Open-source Voice & Video Calling and Text Chat App for Java (Android)

RabbitMQ Bundle for the Symfony2 web framework

Flutter wrapper around the Agora Real Time Message SDKs for Android and iOS

Bot framework powered by Broid

A curated list of Pulsar tools, integrations and resources.

Messaging middleware topic matching implementations.

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