即时通讯(IM)系统

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。

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

Chat SDK Android - Open Source Mobile Messenger

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

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

Tinode chat client application for Android

android client

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…

Instant Messenger in Java

即时聊天，自带服务器，有朋友圈功能等等

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

Build chat in minutes with Sendbird UIKit open source code and samples.

A WebChat Room in LAN writing by Java. ---非常简单的网络聊天室，Java语言实现。

iGap Client for Android Source Code

Using Netty as the server and WebSocket as the communication protocol, the instant messaging system developed by microservice architecture is adopted.

企业IM即时通讯定制平台，百万级高并发、高性能、可扩展、安全、高交互体验的企业通信和协作im平台。包含通讯服务、客户端（PC、Android、iOS）、Web门户（用于集成企业应用）、WebAPI。

MongooseIM client for Android

(M) Android XMPP Client