Top 84 instant-messaging open source projects

a simple and small push system for Android and server based on Netty.

Tinode chat client application for Android

🚀构建分布式即时聊天、消息推送系统。 Building distributed instant messaging, push notification systems.

免费IM系统，IM即时通信消息系统(含一对一文字聊天，群聊，聊天室)，免费一对一voip实时通话，录屏，webrtc服务端，免费直播连麦，互动直播，视频直播，RTSP拉流，RTMP推流，语音对讲，免费在线会议，视频会议等服务端程序，支持物联网平台，✨万水千山总是情，来个star行不行✨

Tinode web chat using React

基于网易云信 IM SDK for Android，界面仿造QQ和微信，打造的一款简单的即时通讯 APP，目前可实现好友添加，个人资料修改，基础聊天功能（包括文字，表情，语音，视频，图片和位置信息发送接收功能），Based on Netease cloud letter IM SDK for Android, the interface mimics QQ and WeChat, to create a simple instant messaging APP, which can be realized by adding friends, modifying personal information, basic chatting functions (including text, emoticons, voice, video, Location information send and receive function).

📶即时消息推送服务(即时通讯)，基于Netty+protobuf-- Instant Messaging push service based on Netty+protobuf

Build your own chat UI with React components in few minutes. Chat UI Kit from chatscope is an open source UI toolkit for developing web chat applications.

Pidgin/libpurple plugin for WhatsApp Web.

blabber.im basiert auf Conversations und ist ein Open Source XMPP/Jabber Messenger für Android 4.1+

golang im server

即时聊天，自带服务器，有朋友圈功能等等

Tinodios: Tinode Messaging Client for iOS

android client

网易云信 iOS SDK 发布仓库。#推荐客户得比特币,首次推荐得0.02BTC,连续推荐得0.03BTC/单,上不封顶。点击参与https://yunxin.163.com/promotion/recommend

Technitium Bit Chat, a secure, peer-to-peer, instant messenger!

Chat SDK Android - Open Source Mobile Messenger

Communication and 👬Collaboration Platform for 🏫Education | 高效全面的在线协作与教育管理系统

The world's most advanced open source instant messaging engine for 100K~10M concurrent users https://turms-im.github.io/docs

Gajim plugin for OMEMO Multi-End Message and Object Encryption

Real-time Rails-based Webchat for Instant Messaging (实时Web聊天室)

A secure, anonymous, peer-to-peer, instant messenger!

Movim - Decentralized social platform

LAN Instant Messaging based on Qt

Matrix client in kotlin

一个包含了机器人框架/插件化可运行程序/IM适配器的项目集合.

Adium protocol plugin to support Skype instant messaging

MongooseIM client for iOS

DEPRECATED

Chat SDK iOS - Open Source Mobile Messenger

Routr: Next-generation SIP Server

YiChat-基于tigase的独立IM系统

Desktop client for Cabal, the p2p/decentralized/local-first chat platform.

General IM UI components. Android/iOS/RectNative ready. 通用 IM 聊天 UI 组件，已经同时支持 Android/iOS/RN。

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

An IRC to other chat networks gateway 🐝

coyim - a safe and secure chat client

IM server based on netty. Provides a client jar. Integrate with your own login system.基于netty实现的IM服务端,提供客户端jar包,可集成自己的登录系统

Terminal client for Cabal, the p2p chat platform.

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

Conversations is an open source XMPP/Jabber client for Android

Miranda NG: Next Generation of Miranda IM

XMPP client

Jitsi is an audio/video and chat communicator that supports protocols such as SIP, XMPP/Jabber, IRC and many other useful features.

toxcore implementation in Rust

Loqui IM allows you to use all your chat accounts in just one FirefoxOS or Ubuntu Touch app.

Delta Chat Rust Core library, used by Android/iOS/desktop apps and bindings

📱 Wire for iOS (iPhone and iPad)

Software for Pica Pica Distributed Secure Messaging System

基于安卓QQ协议的vscode-qq扩展

Electron based multi IM (Instant Messaging) client

Connect IM iOS Project

A ionic v5 and Angular 8 desktop and mobile chat

Codebase snapshots for Psi+ project

TCP 即时通讯 WPF 界面.

A simple, beautiful, mobile-first instant messaging progressive web application.

Connect IM Android Project

Docs for Fosscord

Fosscord backend made with Typescript and love (and a bit of C++)