90 Open source projects that are alternatives of or similar to yalcs

Adium protocol plugin to support Skype instant messaging

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

golang im server

Movim - Decentralized social platform

XMPP client

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

Routr: Next-generation SIP Server

(WIP/Experimental) Ricochet implementation as Haskell Library.

Terminal client for Cabal, the p2p chat platform.

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

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

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

Tinode web chat using React

Matrix client in kotlin

HTML5/Node.js based, client side (E2EE) encrypted instant chat

DEPRECATED

Pidgin/libpurple plugin for WhatsApp Web.

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

Host Youtube watch party with friends. Sync videos and chat in real-time

coyim - a safe and secure chat client

Tinodios: Tinode Messaging Client for iOS

Conversations is an open source XMPP/Jabber client for Android

Tinode chat client application for Android

toxcore implementation in Rust

Chat SDK Android - Open Source Mobile Messenger

Gajim plugin for OMEMO Multi-End Message and Object Encryption

📱 Wire for iOS (iPhone and iPad)

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

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

LAN Instant Messaging based on Qt

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).

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.

即时通讯(IM)系统

MongooseIM client for iOS

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.

Chat SDK iOS - Open Source Mobile Messenger

chat application build with laravel and gopusher gateway.

YiChat-基于tigase的独立IM系统

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

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。

🌀 i2pchat's old repo. This repo is deprecated in favor of https://github.com/i2pchat/i2pchat which is now the main repo.

An IRC to other chat networks gateway 🐝

即时聊天，自带服务器，有朋友圈功能等等

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

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

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

android client

Miranda NG: Next Generation of Miranda IM

(M) Android XMPP Client

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

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

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

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

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

Isotoxin source

Kommunicate Web AI Chatbot and Live Chat Plugin

iGap Client for iOS Source Code

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✨

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