Browse free open source Java Chat Software and projects below. Use the toggles on the left to filter open source Java Chat Software by OS, license, language, programming language, and project status.

  • Atera all-in-one platform IT management software with AI agents Icon
    Atera all-in-one platform IT management software with AI agents

    Ideal for internal IT departments or managed service providers (MSPs)

    Atera’s AI agents don’t just assist, they act. From detection to resolution, they handle incidents and requests instantly, taking your IT management from automated to autonomous.
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  • Retool your internal operations Icon
    Retool your internal operations

    Generate secure, production-grade apps that connect to your business data. Not just prototypes, but tools your team can actually deploy.

    Build internal software that meets enterprise security standards without waiting on engineering resources. Retool connects to your databases, APIs, and data sources while maintaining the permissions and controls you need. Create custom dashboards, admin tools, and workflows from natural language prompts—all deployed in your cloud with security baked in. Stop duct-taping operations together, start building in Retool.
    Build an app in Retool
  • 1
    DSHub is a hubsoft for ADC Network. It uses the ADC(Direct Connect next generation) protocol. Platform independent, with a lot of features, secure, innovative, interactive, graphic interfaced hub soft. Visit http://www.death-squad.ro/dshub for more info.
    Downloads: 5 This Week
    Last Update:
    See Project
  • 2
    HelloWorld is a decentralized social network based on OpenID, P2P and different JAVA encryption technologies. It will offer all the fundamental functionalities of a social network platform respecting the right of informational self-determination.
    Downloads: 5 This Week
    Last Update:
    See Project
  • 3
    Connect Four is a two-player board game in which the objective is to be the first to get four of one's own discs in a line. This game can be played over the network. It runs on Windows, Linux and other operating systems which support the Java 5 platform.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 4
    The K Network will provide a network infrastructure for encrypted anonymous distibuted communication. Distributed chat will be the first application. Goals are anonymity for both sender and receiver, no central point of failure, and scalability.
    Downloads: 4 This Week
    Last Update:
    See Project
  • Grafana: The open and composable observability platform Icon
    Grafana: The open and composable observability platform

    Faster answers, predictable costs, and no lock-in built by the team helping to make observability accessible to anyone.

    Grafana is the open source analytics & monitoring solution for every database.
    Learn More
  • 5
    Project-Connect

    Project-Connect

    Just another LAN messenger

    IPTalk is a LAN messenger for Windows and Linux OS. It allows users to chat, transfer files over LAN. Main Features are: Threaded message broadcasts Chat logging Fast file transfer A great UI
    Downloads: 4 This Week
    Last Update:
    See Project
  • 6
    Java QQ Library
    jQQl is an implementation of the QQ client protocol written in Java. It is intended to be easy to use and get you up and running with a QQ client asap. This is a fork of LumaQQ, written in English.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 7
    HiveBoard is an open source shared graphical whiteboard application that is targeted at professional meetings. It includes interactive chat. It is written in Java and requires a Servlet Container (eg jakarta Tomcat) and a DBMS (eg MySQL) for the server.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 8
    A cross-platform Java alternative Google Talk.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 9
    AOLibrary is a java-based library for writing chat bots that can be used with the game Anarchy Online. (Bots are often used to facilitate communications within an in-game organization or guild.) The library is written in Java 6.
    Downloads: 1 This Week
    Last Update:
    See Project
  • D&B Hoovers is Your Sales Accelerator Icon
    D&B Hoovers is Your Sales Accelerator

    For sales teams that want to accelerate B2B sales with better data

    Speed up sales prospecting with the rich audience targeting capabilities of D&B Hoovers so you can spend more sales time closing.
    Learn More
  • 10
    Cux Bomberman

    Cux Bomberman

    JAVA websocket implementation for a bomberman-like game

    This application uses JAVA and Glassfish server to provide an active and simple webSocket server for an online, multiplayer bomberman-like game. It only requires a running glassfish server to deploy the application on and a MySQL database server. After deployment and first run, anyone can access your webserver, register and play the game, using only a web browser that has built-in support for webSockets
    Downloads: 1 This Week
    Last Update:
    See Project
  • 11
    EMURA is a suite of Java applications that allows two users to send encrypted messages back and forth - as a chat. The encryption key is secure and generated using the Diffie-Hellman algorithm. Utilizes GNU-CRYPTO libraries
    Downloads: 1 This Week
    Last Update:
    See Project
  • 12
    JGenerals is a strategy network game based on the Philippine's game "Game of the generals", it is written in Java and includes chat capability.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 13
    Java Instant Messenger (or JIM) is an application to allow instant messaging over a network. JIM does not have a centralized server. Instead, users run the server on one of the computers on the network and other users connect to that server.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 14
    Kutkut Chatbot

    Kutkut Chatbot

    AI chat bot for all platforms.

    KutKut ChatBot is a chatter bot program, developed to chat with you using artificial intelligence. You can chat with this program as you talk to a human. It features a GUI interface to send and receive chat messages and many more features. Kukut Chatbot can run on any platform, including Windows, Linux, Mac OS, and *BSD.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 15
    MuddyJoe is a MUD & MOO client written in Java, utilizing Swing components, which accomodates multiple simultaneous connections in desktop-like floating windows.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 16
    NetDare is a Java network game system. The project consist in APIs, a server, a client, a PHP CMS (Content management System) and a game sdk to help the development or integration of a game wich altready exist.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 17
    This library is a general purpose library for Java programs that use the Open Game Cache (OGC). Information about the Open Game Cache can be found at http://opengamecache.sourceforge.net/ Keywords: master server game server
    Downloads: 1 This Week
    Last Update:
    See Project
  • 18
    Open Direct Connect is a multi-protocol file sharing program that supports the protocol used by Direct Connect ( http://www.neo-modus.com/ ).
    Downloads: 1 This Week
    Last Update:
    See Project
  • 19
    ICQ, MSN, IRC pure Java reusable plugin library with asynchronous operations
    Downloads: 1 This Week
    Last Update:
    See Project
  • 20
    The aim of this project is to develop an extensible framework for building "virtual worlds", and allowing large numbers of people to explore them. Examples would be a MUD, or even a virtualization of your own home.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 21
    This is an IRC-Bot written in Java (based in the PIRC-Bot API) which provides a RPG-Service.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 22
    Client for Game Masters (of a RPG) to control a Game session using Y! Messenger Protocol. This allows GM to talk to the whole group, a sub-group (or individual), etc. and helps her to have a centralized GUI, while players can connect normally to Y! Msgr.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 23
    ScriptBot is a scriptable IRC bot. Based on PircBot and BSF, it allows to fully customize the bot's behaviour by editing script files in the scripting language of your choice.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 24
    The ChatRoom based Java Socket
    Downloads: 1 This Week
    Last Update:
    See Project
  • 25
    Java client and server which provide a looking for group (LFG) service to be used alongside MMORPGs. Group leaders can advertise groups, and players can look for groups and add themselves to waiting lists for groups.
    Downloads: 1 This Week
    Last Update:
    See Project
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