Open Source Windows XMPP Software

See https://pidgin.im/about/ for more information. Pidgin is an instant messaging program which lets you log in to accounts on multiple chat networks simultaneously. It runs on Windows, Linux, and other UNIX operating systems. Pidgin is compatible with the following chat networks out of the box: AIM, ICQ, Google Talk, Jabber/XMPP, MSN Messenger, Yahoo!, Bonjour, Gadu-Gadu, IRC, MXit, Novell GroupWise Messenger, Lotus Sametime, SILC, SIMPLE, MySpaceIM, and Zephyr. It is written in C and makes heavy use of GLib and GTK+. Finch is a command line instant messaging program. It also lets you log in to accounts on multiple chat network simultaneously, and it is compatible with the same chat networks as Pidgin. It is written in C and makes heavy use of GLib and ncurses.

Psi is cross-platform powerful XMPP client designed for experienced users. There are builds available for MS Windows, GNU/Linux and macOS.

Psi is a cross-platform powerful XMPP client designed for experienced users. Psi+ is a development branch of Psi XMPP client. Previously is was a sort of fork but now just consider it as a space for nightly builds.

Pandion is an open source instant messaging client for XMPP networks. Keep in touch with friends or collaborate with colleagues using Pandion instant messenger. Pandion is designed for ease of use and secure communication.

Miranda NG is a successor of a popular multi-protocol instant messaging client for Windows, Miranda IM. Very light on system resources and extremely fast. Supports Em-LAN Facebook, Gadu-Gadu, ICQ / MRA, IRC Internet Relay Chat, Jabber XMPP, MinecraftDynmap, Omegle, Sametime, SkypeWeb, Steam, Tox, Twitter, and VKontakte. Linux is not a natively supported operating system, but Miranda is known to run on Linux under Wine. PluginUpdater is responsible for keeping your Miranda up-to-date. It checks for updates for all installed plugins and other components like icon sets and langpack regularly (depending on its settings) and performs updating automatically.

Kraken is a continuation of the Openfire IM Gateway plugin, but in a way that works for any XMPP server. It provides a way for XMPP users to log into, and communicate through, their legacy IM accounts such as AIM, ICQ, MSN, Yahoo, and friends.

Lamp IM - jabber client for windows

JabberMixClient is a IM Jabber client for portable devices, based on J2ME;JMC implements all the features of an IM client: contacts/presence management, single/multi user chat, users search, services discovery, GTalk and MSN transport.With 2 gui versions

It is an instant messaging client. Crony IM has support for some commonly used instant messaging protocols, allowing the user to log into various different services from one application. like LAN, GTalk, Yahoo, Facebook.

A Jabber client written in C# using the .NET Compact Framework for use on Windows PCs and Windows Mobile PDAs. It is intended primarily to be deployed in a corporate environment where restricting the actions of users is desired.

ExtremeTalk(XT)是一个用于企业或者组织内部进行在线通讯的，基于XMPP(Jabber)协议的即时通讯系统。ExtremeTalk(XT) is an Instant Messaging(IM) collaboration platform based on XMPP(Jabber) for enterprises and organizations

Akila’ize GChat IM is a free Instant Massager Chat client like Gtalk, Yahoo Messenger and IBM SameTime for Windows. Akila’ize GChat IM allows you to converse with your friends in Akila’ize Language. It is an alternative to Google Talk. Start sending messages in Akila’ize Language to your Google talk/Gmail friends and have fun Speaks out your conversation (Text to speech conversion – Enable/Disable anytime) Simple and Lite weight application

ButiFree is a project to develop a catalan card game online (called "La botifarra").

FireFloo is an Instant Messaging Communicator combining the open XMPP standard (Jabber, GMail Chat etc.) with the Echo Protocol for secured Chat and Messaging.

Perl bot sending you news from Twitter to your Jabber account and sending status updates from Jabber to Twitter. It's free, open source and after some setup it's very easy to use! PROJECT HAS MOVED TO [GITHUB](https://github.com/binfalse/jabber-vs-twitter)

JGGAPi is java implementation of Gadu-Gadu protocol. Gadu-Gadu is a IM system very popular in Poland based on proprietary protocol. The implementation is based on specification of Gadu-Gadu protocol gathered during implementation of EKG application.

This plugin is a wrapper to hosted AI Inference server for LLM chat models. It uses the Botz API to create a chatbot in Openfire which will engage in XMPP chat and groupchat conversations.

Engroup is the web enterprise groupware promotes various collaboration methods plus adding company business management modules. Features are included: CRM, HRM, Document Management, Project Management, Chat, Wiki, Forum, News, Todo.

玉兔即时通信。开源的跨平台的的即时通信系统。包括文本、音视频、白板、远程控制

This is a less intrusive ajax web chat which uses Ajax, Smack, XMPP. This is the client version Servlet. The backend code should run under Tomcat server. You can use openfire or any other XMPP server as the server, gtalk also.

A realtime collaborative mind-mapping project. AmoebaChat allows the user to send and receive chat-style messages in an interconnected graph. This allows for a new way of communicating between parties that hasn't been explored yet.

Audible Alerts is a Pidgin (libpurple) plugin to produce notification of an IM audibly. It uses eSpeak, a text-to-speech program, to call out the name of the buddy who IMs you. You can download eSpeak from www.sourceforge.net/projects/espeak

Boltun is a chat bot plugin for Miranda IM with its own engine.

This is a xmpp server based on OSGi

This project is a try to write real tiny and fast XMPP/Jabber client for handheld devices, supported by Enlightment Foundation Library. I use Elementary widget toolkit and Iksemel library to make it possible.