Open Source Desktop Operating Systems Chat Software

Chat Software for Desktop Operating Systems

Browse free open source Chat software and projects for Desktop Operating Systems below. Use the toggles on the left to filter open source Chat software by OS, license, language, programming language, and project status.

  • Gemini 3 and 200+ AI Models on One Platform Icon
    Gemini 3 and 200+ AI Models on One Platform

    Access Google's best plus Claude, Llama, and Gemma. Fine-tune and deploy from one console.

    Build generative AI apps with Vertex AI Studio. Switch between models without switching platforms.
    Start Free
  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

    MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
    Start Free
  • 1
    BeeBEEP (Free Office Messenger)

    BeeBEEP (Free Office Messenger)

    You can message and share files inside your intranet without a server.

    BeeBEEP is a secure (encryption based on Rijndael Algorithm, AES) peer to peer office messenger. You can talk and send files with all your colleagues inside a local area network such of an office, home or internet cafe without a server. BeeBEEP works also with VPNs. This serverless application is indispensable in all those places where privacy and security an essential requirement. For more info visit: https://www.beebeep.net
    Leader badge
    Downloads: 2,524 This Week
    Last Update:
    See Project
  • 2
    DC++

    DC++

    A Windows client for the Direct Connect networks

    DC++ is an open source Windows client for the Direct Connect file sharing network. The DC network is a decentralized network, made up of individual servers (hubs) that users join to share files with other members on that hub. Each hub is individually run by a fellow user of the DC network, and may have certain themes to the content on the hub. Hub owners set up rules to regulate their hub as they see fit.
    Leader badge
    Downloads: 991 This Week
    Last Update:
    See Project
  • 3
    gSOAP Toolkit

    gSOAP Toolkit

    Development toolkit for Web Services and XML data bindings for C & C++

    The gSOAP toolkit is an extensive suite of portable C and C++ software to develop XML Web services with powerful type-safe XML data bindings. Easy-to-use code-generator tools allow you to directly integrate XML data in C and C++. Serializes native application data in XML. Includes WSDL/XSD schema binding and auto-coding tools, stub/skeleton compiler, Web server integration with Apache module and IIS extension, high-performance XML processing with schema validation, fast MIME/MTOM streaming, SOAP and REST Web API development, WS-* protocols (WS-Security, WS-Policy, WS-ReliableMessaging, etc), XML-RPC and JSON. Licensed under GPLv2. Visit the developer center with guides, tutorials, and examples at www.genivia.com/dev.html The documentation of the toolkit, libraries, plugins and more is available at www.genivia.com/docs.html Commercial-use licenses and expert technical support services are available at competitive pricing levels, please visit www.genivia.com/products.html
    Leader badge
    Downloads: 386 This Week
    Last Update:
    See Project
  • 4
    Psi+

    Psi+

    Psi+ Project — development branch of Psi XMPP client

    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.
    Leader badge
    Downloads: 569 This Week
    Last Update:
    See Project
  • Catch Bugs Before Your Customers Do Icon
    Catch Bugs Before Your Customers Do

    Real-time error alerts, performance insights, and anomaly detection across your full stack. Free 30-day trial.

    Move from alert to fix before users notice. AppSignal monitors errors, performance bottlenecks, host health, and uptime—all from one dashboard. Instant notifications on deployments, anomaly triggers for memory spikes or error surges, and seamless log management. Works out of the box with Rails, Django, Express, Phoenix, Next.js, and dozens more. Starts at $23/month with no hidden fees.
    Try AppSignal Free
  • 5
    Undernet Coder Committee -- ircu development
    Downloads: 20 This Week
    Last Update:
    See Project
  • 6
    libircclient is a small but powerful library, which implements client-server IRC protocol. It has all features needed to create your own IRC client or bot, including multi-threading support, sync and async interfaces, CTCP/DCC support, colors, SSL connections and so on.
    Leader badge
    Downloads: 32 This Week
    Last Update:
    See Project
  • 7
    VChat

    VChat

    Chat Application and file sharing application

    This application enables chatting in local area connection and also able to send and receive files.
    Downloads: 7 This Week
    Last Update:
    See Project
  • 8
    Downloads: 18 This Week
    Last Update:
    See Project
  • 9
    Anope Services are built off of the original Epona code written by Lara which is built off of IRC Services. These services have advanced the original Epona code and include new features such as Modules, Mysql, and Defcon Mode.
    Downloads: 3 This Week
    Last Update:
    See Project
  • $300 in Free Credit Across 150+ Cloud Services Icon
    $300 in Free Credit Across 150+ Cloud Services

    VMs, containers, AI, databases, storage | build anything. No commitment to start.

    Start your project in minutes. After credits run out, 20+ products include free monthly usage. Only pay when you're ready to scale with Google Cloud.
    Start Building Free
  • 10
    PabloDraw
    A Windows-based ansi/ascii editor with unlimited multi-user capabilities.
    Downloads: 7 This Week
    Last Update:
    See Project
  • 11
    YSM is a simple ICQ client based on the v7/v8 icq protocol version. Free of external libraries requirements, written in the C Language.
    Downloads: 12 This Week
    Last Update:
    See Project
  • 12
    Gamers.IRC

    Gamers.IRC

    Full mIRC MSL Script

    Gamers.IRC is a full MSL Script for mIRC, the most popular Windows IRC client. Gamers.IRC is for Windows 95 and higher. Source code: Download and run the installer. Open the .grc and .ini files with notepad.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 13
    Line-based AIM client and BSD-licensed OSCAR library.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 14

    Darkbot

    The IRC's Talking Robot

    [ Please read https://sourceforge.net/p/darkbot/news/2014/01/darkbots-revitalization/ ] Darkbot is a portable IRC chat robot written in the C language that can be taught responses to user inquiries, and even have conversations with them. Darkbot was originally created by Jason Hamilton as an aid for help channels on Intenet Relay Chat.
    Leader badge
    Downloads: 5 This Week
    Last Update:
    See Project
  • 15
    pork, oidentd, iplog and ocd
    Downloads: 4 This Week
    Last Update:
    See Project
  • 16
    IRCD-Hybrid

    IRCD-Hybrid

    A lightweight, high-performance Internet Relay Chat server

    IRCD-Hybrid is a lightweight, high-performance Internet Relay Chat server.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 17
    Rich Features IRC Services, the project is resumed 2010
    Downloads: 2 This Week
    Last Update:
    See Project
  • 18
    Windows (XP/Vista/7/8/10) ports of the Eggdrop IRC bot
    Downloads: 2 This Week
    Last Update:
    See Project
  • 19
    An X11 based IRC client built with C++ and using the Qt libraries.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 20
    Eggdrop
    Eggdrop is the most advanced IRC robot available. It has been under development since December 1993, and unlike most other bots, it is still regularly updated.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 21

    Meanwhile

    Open implementation of the Lotus Sametime protocol

    THIS PROJECT HAS MOVED Please visit https://github.com/obriencj/meanwhile The Meanwhile project is an open implementation of the Lotus Sametime client protocol. The project provides a library written in C, a python module, and a Gaim plugin utilizing the library.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 22
    Yacca is an advanced chat bot (other plugins are under development, including a command-line only version for you to interact with yacca) that is designed to resemble a human chatter as closely as possible.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 23
    psyBNC is an easy-to-use, multi-user, permanent IRC-Bouncer with many features. Some of its features include symmetric ciphering of talk and connections (Blowfish and IDEA) It compiles on Linux, FreeBSD, SunOs and Solaris.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 24
    Coopnet
    Coopnet is a lobby based Chat with the functionality of launching games. Its aim is to enable users of Windows and Linux to play together on the same network.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 25
    ClanWar manager is suited for any online game. You can add users, wars, results and medals to the bot and let users add themselves to a war. The bot responds to set commands and gives lists of upcoming wars and medals. The TCL script is a limited script
    Downloads: 1 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • 2
  • 3
  • 4
  • 5
  • Next
MongoDB Logo MongoDB