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

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  • 1
    Pidgin IM

    Pidgin IM

    A universal instant messaging (IM) program

    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.
    Leader badge
    Downloads: 5,831 This Week
    Last Update:
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  • 2
    ApexDC++

    ApexDC++

    The pinnacle of file-sharing and chat - an innovative DC client!

    ApexDC™ is an innovative Direct Connect client based on the DC++ and StrongDC++ projects. Direct Connect provides a rare blend of seamless file sharing and community based chat and messaging between users. ApexDC features plugins and scripting through Lua and much more. Both operators and users alike should find it a pleasant experience. Note: as of May 28th 2016 ApexDC is now primarily distributed as two separate installers one targetting 32bit and the other 64bit operating systems. Additionally XP compatible binaries are now only offered as a separate download from the files section.
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    Downloads: 118 This Week
    Last Update:
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  • 3
    Protocol plugin for Office 365/Lync/OCS

    Protocol plugin for Office 365/Lync/OCS

    for Adium, Pidgin, Miranda and Telepathy IM Framework

    Please make sure to read this page: http://sourceforge.net/p/sipe/wiki/Frequently%20Asked%20Questions/ A third-party Pidgin/Adium/Miranda/Telepathy plugin for the extended version of SIP/SIMPLE used by various products: * Skype for Business * Microsoft Office 365 * Microsoft Business Productivity Online Suite (BPOS) * Microsoft Lync Server * Microsoft Office Communications Server (OCS 2007/2007 R2) * Microsoft Live Communications Server (LCS 2003/2005)
    Downloads: 57 This Week
    Last Update:
    See Project
  • 4
    RetroShare

    RetroShare

    [WARNING] Project has moved to http://github.com/Retroshare/Retroshare

    [IMPORTANT] Retroshare is now distributed on Github. Please go to http://retroshare.net to find the latest releases and sources. RetroShare is a cross-platform, secured and decentralized communication system. It lets you to securely chat, share photos, videos, and more with family and friends, using OpenPGP to authenticate peers and OpenSSL to encrypt all communication.
    Downloads: 12 This Week
    Last Update:
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  • 5
    A pidgin plugin that allows user to assign global hotkeys (e.g. Ctrl+Alt+g) for togglling buddy list and reading queued message. When "Toggle List" hotkey is enabled, it makes the buddy list hidden from your taskbar and task switcher (similar to ICQ).
    Leader badge
    Downloads: 19 This Week
    Last Update:
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  • 6
    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: 4 This Week
    Last Update:
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  • 7
    emesene
    emesene is a platform independent instant messaging client for the Windows Live Messenger (tm) network. emesene is distributed free of charge under the GNU General Public License 2 or any later version.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 8
    Jabberwocky is a jabber client software for Amiga Computers. It is open source and released under the GNU GPL License.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 9
    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.
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    Downloads: 2 This Week
    Last Update:
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  • 10

    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.
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    Downloads: 1 This Week
    Last Update:
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  • 11
    Denora is a set of Stats Services for IRC networks that allows IRC network admins to get a complete and comprehensive overview of their IRC network. Denora exports this information to MySQL, HTML XML and flatfile databases.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 12
    Audio/Video Conference software for Instant Messengers. It aims to provide Audio/Video conferencing for as many Instant Messengers as possible through a modular design.
    Downloads: 1 This Week
    Last Update:
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  • 13
    GtkHx is a GTK+ Hotline Client based on the Hx code.
    Downloads: 1 This Week
    Last Update:
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  • 14
    An overlay Networking Protocol, aims in creating a big secured virtual network, optimizing both speed and cost.
    Downloads: 0 This Week
    Last Update:
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  • 15
    AceServ is an irc service wich provides OperServ & BotServ. It's based on OBserv by SideWnder (wnder@underworld.net).
    Downloads: 0 This Week
    Last Update:
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  • 16
    Ayttm is an instant messenger program, supporting various protocols such as MSN, Yahoo, AIM, Jabber, and more. It is the heir of the Everybuddy project, and aims to continue improving the program and addressing its shortcomings.
    Downloads: 0 This Week
    Last Update:
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  • 17
    A powerful set of IRC Services written in the C programming language, with a centralized multithreaded Proxy scanner (with support for single server scan bots) and statistical services, designed to run as a daemon on BSD systems.
    Downloads: 0 This Week
    Last Update:
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  • 18
    CaraMush is a text based caramail client for linux written in C, it use ncurse, pthread and glib... With this software you can chat on Caramail server. It look like BichtX.
    Downloads: 0 This Week
    Last Update:
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  • 19
    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.
    Downloads: 0 This Week
    Last Update:
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  • 20
    Traditionally, IRC clients on the Mac have been anything but glamorous. Colloquy is an advanced IRC client which aims to fill this void. By adhering to Mac OS X interface conventions, Colloquy has the look and feel of a quality Mac application.
    Downloads: 0 This Week
    Last Update:
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  • 21

    Darkbot

    Darkbot is an AI robot for IRC, especially useful for help channels.

    This Darkbot page is a fork of the original Darkbot. The original page was taken by new ownership and the original group of contributors have had no luck in retaining control over the project as was originally the case. Darkbot is an artificially intelligent IRC robot originally created by Jason Hamilton for use in help rooms on the Undernet IRC network, and others. It is capable of being taught responses to questions, and can help simulate the feeling of having a real person around to answer questions when nobody else is available. The aim of this page is not to take control over the project again as much as to begin making updates and making things fresh for the few who are still dedicated users.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    ECTOR is a multilingual chatterbot able to learn from users' entries.
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    Downloads: 0 This Week
    Last Update:
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  • 23
    FleuryMichon is a flexible IRC daemon
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    A fork of pidgin which aims to provide minor features that have not been addressed by the pidgin development team (including manual textbox resizing). See funpidgin.sf.net for details.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    This is a project using Web Services
    Downloads: 0 This Week
    Last Update:
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