1462 Open source projects that are alternatives of or similar to Jitsi

Miranda NG: Next Generation of Miranda IM

Web-based XMPP/Jabber chat client written in JavaScript

Modern XMPP ("Jabber") Chat Client using GTK+/Vala

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

Robust, Ubiquitous and Massively Scalable Messaging Platform (XMPP, MQTT, SIP Server)

Conversations is an open source XMPP/Jabber client for Android

An IRC to other chat networks gateway 🐝

Open-source XMPP client for Android

Highly optimized, extremely modular and very flexible XMPP/Jabber server

Cross-platform XMPP client

Q-municate iOS repository

(M) Android XMPP Client

(M) Tigase Swift XMPP client library

Open source XMPP client for Web

PHP client library for XMPP (Jabber) protocol

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。

Pàdé (Yoruba word for Meet) is a browser extension (Chrome/Edge) based unified communications desktop client for Openfire.

Ncurses based XMPP client

Movim - Decentralized social platform

Isotoxin source

Cross-platform real-time collaboration client optimized for business and organizations.

Chat SDK Android - Open Source Mobile Messenger

Chat SDK iOS - Open Source Mobile Messenger

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

Instant messaging server for the Extensible Messaging and Presence Protocol (XMPP).

XMPP client

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

Java XMPP client library

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.

Official mirror of hg.adium.im

Tinode web chat using React

【重要通知：WebQQ将在2019年1月1日停止服务，此项目目前已停止维护，感谢大家四年来的一路陪伴】使用Perl语言（不会没关系）编写的smartqq/webqq客户端框架（非GUI），可通过插件提供基于HTTP协议的api接口供其他语言或系统调用

An experimental minimal chat written in Common Lisp

A desktop chat client for Twitch

The extensible chat client.

Swift XMPP client and Swiften XMPP library

golang im server

The legitimate email replacement — n-identity, decentralized, store-and-forward, open protocol, open source. (Server)

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

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

Modular Async/Sync/Reactive Twitch API Client / IRC Client

whatsapp web <-> irc gateway

Linphone is a free VoIP and video softphone based on the SIP protocol. Mirror of git://git.linphone.org/linphone-desktop.git

Native Go XMPP library

Modern IRC client written in GTK

IRCCloud Desktop App

IRCCloud iOS App

Secure direct video group chat

Tinodios: Tinode Messaging Client for iOS

Tinode chat client application for Android

IRCCloud Android App

OMEMO Xtra for Adium (packaging the lurch and carbons libpurple plugins)

A modern Android IRC client. #revolutionirc on Freenode.

An implementation of the Extensible Messaging and Presence Protocol (XMPP) in Go.

Free, portable and lightweight Internet Relay Chat server

Angular XMPP Client & Chat UI

Dockerfile for Err - the pluggable chatbot

An Erlang Lightweight XMPP Client library

XMPP library for .NET/Xamarin/.NET Core

Free XMPP client for iOS and macOS