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.

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  • 1
    BeeBEEP (Free Office Messenger)

    BeeBEEP (Free Office Messenger)

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

    BeeBEEP is a free, open-source, peer-to-peer (P2P) desktop LAN chat and office messenger built with end-to-end encryption (Rijndael Algorithm, AES). Designed for local area networks, this free cross-platform messaging app enables instant messaging, group chat, and secure file sharing across your office, home, or intranet—completely serverless and offline. Whether you need a private LAN chat application for your team or a secure office communicator over VPN, BeeBEEP operates without central servers or cloud dependencies. It is a free, serverless chat solution for Windows, Linux, and macOS where privacy, data security, and local network communication are essential.
    Leader badge
    Downloads: 3,171 This Week
    Last Update:
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  • 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: 1,211 This Week
    Last Update:
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  • 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: 1,230 This Week
    Last Update:
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  • 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.
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    Downloads: 383 This Week
    Last Update:
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  • 5
    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.
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    Downloads: 70 This Week
    Last Update:
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  • 6
    pork, oidentd, iplog and ocd
    Downloads: 39 This Week
    Last Update:
    See Project
  • 7
    J-Alice is a C++ implementation of an Alicebot clone. It can chat on console, irc and function as a mini-http server. Currently it runs on Linux, BeOS, Windows and Solaris with equal functionality.
    Leader badge
    Downloads: 29 This Week
    Last Update:
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  • 8
    IRCD-Hybrid

    IRCD-Hybrid

    A lightweight, high-performance Internet Relay Chat server

    IRCD-Hybrid is a lightweight, high-performance Internet Relay Chat server.
    Downloads: 11 This Week
    Last Update:
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  • 9
    Undernet Coder Committee -- ircu development
    Downloads: 4 This Week
    Last Update:
    See Project
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  • 10
    Ari's Yahoo Client is a compact, easy-to-use, text-based client for Yahoo! Messenger, based on yahoolib as distributed with GTKYahoo.
    Downloads: 18 This Week
    Last Update:
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  • 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: 18 This Week
    Last Update:
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  • 12
    An X11 based IRC client built with C++ and using the Qt libraries.
    Downloads: 17 This Week
    Last Update:
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  • 13

    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: 8 This Week
    Last Update:
    See Project
  • 14
    VooDoo cIRCle
    VooDoo cIRCle is modular IRC bot, scriptable thanks to PHP and Perl, with built-in SSL support, File System, private BotNet and advanced security rights for each user. Runs on POSIX/Unices, Windows and Mac OS X.
    Downloads: 8 This Week
    Last Update:
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  • 15
    TeamBlibbityBlabbity is an attempt to document and provide an example implemention of the proprietary TeamSpeak 2 protocol.
    Downloads: 4 This Week
    Last Update:
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  • 16
    Downloads: 7 This Week
    Last Update:
    See Project
  • 17
    Ice Messenger

    Ice Messenger

    small, fast, java messenger

    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.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 18
    Windows (XP/Vista/7/8/10) ports of the Eggdrop IRC bot
    Downloads: 3 This Week
    Last Update:
    See Project
  • 19
    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: 1 This Week
    Last Update:
    See Project
  • 20

    Anon on the Go

    portable anonymity pack

    contents: 1.bleachbit portable cleans cache data and browsing data and useless logs 2.proxifier 3.15 portable used to set rules for routing ALL traffic through a proxyy for tor set to 127.0.0.1 port :9050 in rules 3.true crypt portable encrypt your harddrive 4.u torrent portable 5.thunderbird portable email cliet which is tor freindly 6.putty ssh client 7.tor browser 8. xchat portable 9.pidgin portable secure IM client tor and off the record messaging freindly 10. torchat 11. K-mac portable mac address spoofing client 12.PIDGIN OTR 13.spybot search and destroy anti spyware portable 14.notepad++ portable Update v2 includes; 15. PrivaZer all packages updated... Enjoy
    Downloads: 4 This Week
    Last Update:
    See Project
  • 21
    unkown
    Downloads: 4 This Week
    Last Update:
    See Project
  • 22
    Ultramagnetic is a concurrent fork of GAIM that provides strong end-to-end encryption using libgcrypt and anonymous routing using the Six/Four protocol.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 23
    PabloDraw
    A Windows-based ansi/ascii editor with unlimited multi-user capabilities.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 24
    Dirt

    Dirt

    An IRC proxy to add chat encryption to IRC clients

    Dirt is a multi-platform IRC proxy that adds FiSH-compatible chat encryption (including DH1080 key exchanges) to any IRC client. It can be used as a SOCKS proxy or as a simple bouncer. For security reasons, only localhost connections are allowed.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 25
    A multiplayer RPG that connects as a psuedo server to an IRCD. Built in the tradition of old BBS Door games such as LORD (http://en.wikipedia.org/wiki/Legend_of_the_Red_Dragon). Forest fights add experience and gold needed to best your master (gain level
    Downloads: 1 This Week
    Last Update:
    See Project
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