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The Top 327 Instant Messaging Open Source Projects

Categories > Messaging > Instant Messaging
Chat ⭐ 8,940
Instant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots
dependent packages 1total releases 133most recent commit 5 days ago
Im Server ⭐ 6,676
即时通讯(IM)系统
most recent commit 8 days ago
Aurora Imui ⭐ 5,471
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。
total releases 107most recent commit 9 months ago
Messenger ⭐ 4,361
Open source, native iOS Messenger, with realtime chat conversations (full offline support).
most recent commit 19 days ago
Conversations ⭐ 4,071
Conversations is an open source XMPP/Jabber client for Android
most recent commit 4 days ago
Jitsi ⭐ 3,668
Jitsi is an audio/video and chat communicator that supports protocols such as SIP, XMPP/Jabber, IRC and many other useful features.
most recent commit 5 days ago
Ricochet ⭐ 3,411
Anonymous peer-to-peer instant messaging
most recent commit 3 years ago
Wire Ios ⭐ 3,124
📱 Wire for iOS (iPhone and iPad)
most recent commit 5 hours ago
Im_service ⭐ 1,665
golang im server
total releases 4most recent commit 8 months ago
Chat Sdk Android ⭐ 1,506
Chat SDK Android - Open Source Mobile Messenger
most recent commit 5 months ago
Movim ⭐ 1,390
Movim - Decentralized social platform
most recent commit 9 hours ago
Starrtc Server ⭐ 1,364
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
most recent commit 3 years ago
Toxic ⭐ 1,055
A Tox-based instant messaging and video chat client
most recent commit 4 months ago
Turms ⭐ 1,044
🕊️ The world's most advanced open source instant messaging engine for 100K~10M concurrent users https://turms-im.github.io/docs
most recent commit 7 days ago
Xmpp ⭐ 947
【停止维护】基于Xmpp协议的即时通讯社交软件(客户端+服务端)Open source one last year to write their own Xmpp based on the agreement of the instant messaging social software (client + server)
most recent commit 2 years ago
Routr ⭐ 918
Routr: Next-generation SIP Server
total releases 16most recent commit 22 days ago
Fosscord Server ⭐ 903
Fosscord backend made with Typescript and love (and a bit of C++)
most recent commit a day ago
Chat Sdk Ios ⭐ 866
Chat SDK iOS - Open Source Mobile Messenger
total releases 109most recent commit 22 days ago
Deltachat Android ⭐ 848
Email-based instant messaging for Android.
most recent commit a day ago
Deltachat Desktop ⭐ 747
Email-based instant messaging for Desktop.
total releases 3most recent commit 4 days ago
Cabal Desktop ⭐ 697
Desktop client for Cabal, the p2p/decentralized/local-first chat platform.
most recent commit 7 months ago
Vscode Qq ⭐ 614
基于安卓QQ协议的vscode-qq扩展
most recent commit 3 months ago
Coyim ⭐ 550
coyim - a safe and secure chat client
total releases 124most recent commit 5 months ago
Bitlbee ⭐ 548
An IRC to other chat networks gateway 🐝
most recent commit 13 days ago
Cabal Cli ⭐ 507
Terminal client for Cabal, the p2p chat platform.
total releases 113most recent commit a month ago
Im ⭐ 476
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
most recent commit a year ago
Services ⭐ 468
Real World Micro services
dependent packages 7total releases 292most recent commit 7 days ago
Deltachat Core Rust ⭐ 454
Delta Chat Rust Core library, used by Android/iOS/desktop apps and bindings
dependent packages 3total releases 126most recent commit 3 hours agonpm deltachat-node} Downloads
Miranda Ng ⭐ 391
Miranda NG: Next Generation of Miranda IM
most recent commit 3 days ago
Psi ⭐ 359
XMPP client
most recent commit a month ago
Monal ⭐ 358
Monal for XMPP (iOS and macOS)
most recent commit 18 hours ago
Tox ⭐ 353
toxcore implementation in Rust
dependent packages 5total releases 2most recent commit 8 months agocargo tox_crypto} Downloads
Chat Ui Kit React ⭐ 345
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.
total releases 26most recent commit 18 days ago
Im ⭐ 307
Loqui IM allows you to use all your chat accounts in just one FirefoxOS or Ubuntu Touch app.
most recent commit 3 years ago
Tindroid ⭐ 248
Tinode chat client application for Android
most recent commit 7 days ago
Deltachat Ios ⭐ 236
Email-based instant messaging for iOS.
most recent commit 3 hours ago
Webapp ⭐ 213
Tinode web chat using React
total releases 120most recent commit 5 days ago
Glideim ⭐ 209
分布式高性能 IM, 重构中: Glide-IM/glide
total releases 15most recent commit a month ago
Gateway ⭐ 190
🚀构建分布式即时聊天、消息推送系统。 Building distributed instant messaging, push notification systems.
most recent commit a year ago
Collabtive ⭐ 189
Collabtive is web based project management software
most recent commit 3 years ago
Purple Gowhatsapp ⭐ 177
Pidgin/libpurple plugin for WhatsApp Web.
total releases 13most recent commit 6 days ago
Im_server_yichat ⭐ 163
most recent commit 5 years ago
Ios ⭐ 159
Tinodios: Tinode Messaging Client for iOS
most recent commit 14 days ago
Bootpush ⭐ 141
📶即时消息推送服务(即时通讯)，基于Netty- Instant Messaging push service based on Netty
most recent commit 4 months ago
Onchat Web ⭐ 138
A simple, beautiful, mobile-first instant messaging progressive web application.
most recent commit 3 months ago
Ezchat ⭐ 132
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 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).
most recent commit 2 years ago
Libpurple Signald ⭐ 125
Pidgin libpurple bridge to signald.
most recent commit a month ago
Onchat ⭐ 125
A simple, beautiful, mobile-first instant messaging progressive web application.
most recent commit 3 months ago
Nim_ios_sdk ⭐ 123
网易云信 iOS SDK 发布仓库。【推荐客户得京东卡，首次推荐成单得1500元京东卡，连续推荐2000元/单，上不封顶。】点
total releases 151most recent commit 4 months ago
Android_yichat_lite ⭐ 120
android client
most recent commit 5 years ago
Ligase ⭐ 112
Ligase is a Golang-based implementation of Matrix homeserver, powered by finogeeks https://www.finogeeks.com/Finchat
total releases 12most recent commit 4 months ago
Eugrade ⭐ 105
All-in-one 🏫 Learning Management System
most recent commit 4 months ago
Bitchatclient ⭐ 96
Technitium Bit Chat, a secure, peer-to-peer, instant messenger!
most recent commit 5 years ago
Internet In A Box ⭐ 84
Humane Heritage - OLD VERSION
most recent commit 5 years ago
Client ⭐ 79
The Universal Tox client. Platform-agnostic Tox client with user-friendlyness in mind!
most recent commit 2 years ago
Railschat ⭐ 77
Real-time Rails-based Webchat for Instant Messaging (实时Web聊天室)
most recent commit 5 years ago
Chat21 Ionic ⭐ 69
A ionic v5 and Angular 8 desktop and mobile chat
most recent commit 2 months ago
Projhyperai ⭐ 65
QQ bot的插件化开发系统
most recent commit 9 months ago
Isotoxin ⭐ 65
Isotoxin source
most recent commit 4 years ago
Continuum Desktop ⭐ 59
Matrix client in kotlin
most recent commit 2 years ago
Lan_im ⭐ 59
LAN Instant Messaging based on Qt
most recent commit 4 years ago
Dimp ⭐ 56
Decentralized Instant Messaging Protocol
most recent commit a year ago
Sendxmpp ⭐ 56
perl-script to send xmpp (jabber), similar to what mail(1) does for mail.
most recent commit 6 years ago
Cryptalk ⭐ 55
HTML5/Node.js based, client side (E2EE) encrypted instant chat
total releases 32most recent commit 3 months ago
Withme3.0 ⭐ 53
Using Netty as the server and WebSocket as the communication protocol, the instant messaging system developed by microservice architecture is adopted.
most recent commit a year ago
Tigase Swift ⭐ 53
(M) Tigase Swift XMPP client library
most recent commit 10 days ago
Electronim ⭐ 53
Electron based multi IM (Instant Messaging) client
total releases 79most recent commit 2 months ago
Social_vertex_flutter ⭐ 51
An open-source social networking mobile client (ios+android+fuchsia)
most recent commit 2 years ago
Redparty ⭐ 50
Host Youtube watch party with friends. Sync videos and chat in real-time
most recent commit a year ago
Accord ⭐ 50
Instant messaging chat system in Rust over TCP with encryption
most recent commit a day ago
Test Datasets ⭐ 50
Test data to be used for automated testing with the nf-core pipelines
most recent commit 15 days ago
Xmpp Cloud Auth ⭐ 48
🔑 Authentication hub for Nextcloud+JSXC→Prosody, ejabberd, saslauthd, Postfix
most recent commit 2 years ago
Psi Plus Snapshots ⭐ 48
Codebase snapshots for Psi+ project
most recent commit a month ago
Deltachat Node ⭐ 46
Email-based instant messaging for Node.js.
most recent commit 2 months ago
Im Server ⭐ 46
IM application, including server, admin and client.即时通讯应用服务，包含服务端、管理端和客户端
most recent commit 4 months ago
Im Fe Client ⭐ 46
IM application, including server, admin and client.即时通讯应用服务，包含服务端、管理端和客户端
most recent commit a year ago
Snaptext ⭐ 45
A simple webapp to send and receive self-destructing messages in real-time. ✉️ ⚡️
total releases 4most recent commit 2 years ago
Igap Android ⭐ 45
iGap Client for Android Source Code
most recent commit 3 years ago
Iris ⭐ 44
XMPP network library
most recent commit 2 months ago
S22.xmpp ⭐ 44
S22.Xmpp is an easy-to-use and well-documented .NET assembly for communicating with an XMPP server. It supports basic Instant Messaging and Presence funtionality as well as a variety of XMPP extensions.
most recent commit 7 years ago
Pallium ⭐ 41
A Go implementation of a matrix.org homeserver
most recent commit 7 years ago
Matrix Riot Docker ⭐ 39
riot.im webclient in a container
most recent commit 3 years ago
Simple Chatroom ⭐ 39
😎从简单的即时聊天来看架构演变by golang
most recent commit 3 years ago
Free Services For Websites ⭐ 35
Useful, free services to help get a new website up and running.
most recent commit 7 years ago
Xytalk Pc ⭐ 35
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
most recent commit 4 years ago
Stork ⭐ 35
(M) Android XMPP Client
most recent commit 10 months ago
Yalcs ⭐ 34
💬 Yet Another Live Chat for Slack — Message your website's visitors through Slack for support or sales.
dependent packages 1total releases 7most recent commit 2 years agonpm yalcs-server} Downloads
Jabbercat ⭐ 34
Qt-based Instant Messaging client for the Jabber (XMPP) network
most recent commit 5 months ago
Laravel Chat ⭐ 33
chat application build with laravel and gopusher gateway.
most recent commit 4 years ago
Exosip ⭐ 33
eXosip is a library that hides the complexity of using the SIP protocol for mutlimedia session establishement.
most recent commit 10 years ago
Mesh ⭐ 32
A secure, anonymous, peer-to-peer, instant messenger!
most recent commit 2 years ago
Skypeweb4adium ⭐ 31
Adium protocol plugin to support Skype instant messaging
most recent commit 2 years ago
Artalk.xmpp ⭐ 30
This repository contains an easy-to-use and well-documented .NET (Framework and Core 3.1 and .Net 5) assembly for communicating with an XMPP server. It supports basic Instant Messaging and Presence funtionality as well as a variety of XMPP extensions.
total releases 3most recent commit a year ago
Mangosta Android ⭐ 28
MongooseIM client for Android
most recent commit 3 years ago
Spixi ⭐ 28
Spixi chat client/instant messenger and wallet for the Ixian platform.
most recent commit 11 days ago
White Raven ⭐ 26
White Raven is an IM (instant messaging) app implemented by React.
most recent commit 9 months ago
Androidimtemplate ⭐ 26
a brief guide on building a secure instant messaging app for Android
most recent commit 2 years ago
Tvarkau Vilniu ⭐ 25
Tvarkau Vilniu Android app
most recent commit 4 years ago
Mandarin Android ⭐ 25
🍊 Android mobile IM client
most recent commit a year ago
Java Lync Client ⭐ 25
A java client for Microsoft Lync 2013 Server Unified Communications Web API(UCWA) which is a REST API that exposes Lync Server 2013 Instant Messaging and Presence capabilities.
most recent commit 8 years ago
1-100 of 327 projects
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