Open Source Java Chat Software for Linux

EZ Intranet Messenger is designed to work within a LAN segment, without the presence of centralized server. Its primary goal is to provide instant messaging service, along with online status notification, file transmission, and real time public chat.

Freenet front end written in Java. Supports multiple up/downloads, messages, searching and more.

This project provides a basic Java implementation of the OSCAR protocol, used by ICQ and AIM clients. Commonly used features such as messaging, status and server buddy lists are supported, making it easy for developers to use this in their own work.

PJIRC is a full-featured Java-based IRC client

Ice Messenger is a small Chat, where you talk about something with your friends our other people. Ice Messenger you can allready use at your office and other places. It has written in Java and so you can use it one all platforms which can use Java. Here are a few: Windows, Linux, Unix, Solaris, Macintosh and more. This application is in the first version and so it has much of errors and other bugs! Describe your bugs and errors in the forum.

Friendly Java IRC client, runnable either as web applet or desktop application. It is based on Eteria IRC client, with many improvements.

An overlay Networking Protocol, aims in creating a big secured virtual network, optimizing both speed and cost.

Ace Operator is a tool for enabling live communications between company representatives and online users from web sites. By clicking on the "live help" button, customers can get access to company representatives and exchange information in real-time.

This web service developped in Java provides WebForum services on the IMAP4/POP3 protocol : you don't need database, and common messaging tool like Netscape Messenger or Outlook permits to create/delete new forum and to moderate messages.

The Business Bot Platform (BBP) - Community Edition is a chatbot platform for private and professional chatbots. It provides support for Facebook Messenger, Signal, Slack, Telegram, Microsoft Skype for Business, Threema and XMPP. The Business Bot Platform Community Edition provides a software solution for chatbot applications developed with Java. It is designed to be easy to use (pluggable chatbots) and extensible as well as integrate in your chatbot application without knowledge about various instant messenger APIs. It is flexible through its plugin architecture and has a repository for chatbot applications (e.g. Wikipedia, Wiktionary, Calculator) which are installable by one-click. Also supporting RiveScript and AIML 2.0. BBP is a web application which handles all incoming and outgoing instant messages and comes with a dashboard for all platform activities. Moreover, it supports artificial intelligence (e.g. Ms LUIS and TensorFlow) BBP is based on Apache, MySQL, and Tomcat

Chabber is an extensible XMPP-based Instant Messaging application. It is a generic, portable application that follows the standard protocols for Instant Messaging and gives users a lot of advanced functionalities. It provides a platform for plugins.

Simple and powerful chat client/server system for your web pages. Support channel administration, irc-like commands, connections filtering, extensive logging and much more. Works in any Java compliant web browser.

Claros InTouch is a webmail, instant messenger, addressbook, calendar and notes application. Written with usability and enterprise readiness in mind, Claros inTouch aims to fulfill the need for a stable, full featured Ajax messaging application

Deep Matrix is a Java chat-client and server system that turns 3D VRML/X3D worlds in to multi-user enviroments. The current version "Deep MatrixIP9" works on Windows, Mac, and Linux OS systems.

EIRC is an IRC client program written entirely in Java using only Java API version 1.1, for compliance with once mainstream web browsers. It runs both as an applet and as an application.

Magic:The Gathering over LAN or Internet, alone or against another player (need IP of your opponent). The program is the judge : you play with the true rules. Firemox can also emulate another TBS. Written in Java, works on Mac, Windows and Linux.

Ceci es un client 100% Java pour caramail (www.caramail.com). Il incluras des option avancé comme la gestion de la censure, le bot, le repondeur, etc... Il es encore en cours de developpement

Free Messenger will be a free alternative to Windows Live Messenger, portable and skinnable. MSNP15 is being implemented at first.

Galàpagos is a collaborative application allowing people to learning Logo basics accross network. It include multi-program support, chat and solution share. Taste this easy Java version of the famous turtle, based on JSDT framework.

IRC JAVA BOT is a bot for IRC written in JAVA. It can manage connection to database, identification and so on ...

IRC JdR is a permanent game playable via IRC

JAVA / PHP / MYSQL IRC Stats Bot based on IRC JAVA BOT. Makes statistics for one or more channels on irc. Make many php page with the stats of channels and the stats of nicks.

[fr] Aire de jeu en ligne (client et serveur) basée sur les sources InCrEG. Belote inclus et d'autres à venir. [en] Online gaming platform (client & server) based on InCrEG sources. Belote included, more games to come.

Instant Drawing and Messaging Program (aka InD) in Java. l will allow you to chat and draw instantly with your friends with the server and client provided. Sources are on the cvs and fully working.

IRC Java client with support of smileys, skins, jython scripting and plugins.