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: 5,863 This Week
    Last Update:
    See Project
  • 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.
    Leader badge
    Downloads: 158 This Week
    Last Update:
    See Project
  • 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: 48 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: 6 This Week
    Last Update:
    See Project
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    The All-in-One Commerce Platform for Businesses - Shopify

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  • 5
    Bot Sentry is a Pidgin (libpurple) plugin to prevent Instant Message (IM) spam. It allows you to ignore IMs unless the sender is in your Buddy List, the sender is in your Allow List, or the sender correctly answers a question you have predefined.
    Downloads: 9 This Week
    Last Update:
    See Project
  • 6
    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: 3 This Week
    Last Update:
    See Project
  • 7
    Yammy (Yahoo Messenger Archive Decoder) allows you to decode and view not only yours but, also other stored YM conversations. You don't even need a password!
    Downloads: 12 This Week
    Last Update:
    See Project
  • 8
    Licq is an ICQ/AIM clone written fully in C++. It uses an extensive plugin system to manage many different functions including the MSN protocol. The main GUI is written using the Qt widget set.
    Downloads: 3 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: 2 This Week
    Last Update:
    See Project
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  • 10
    srvx IRC Services is a ground-up implementation of services for IRC networks (supporting IRCu2.10, Bahamut, and other IRC server dialects). Features include POSIX threading, generalized proxy detection and all the standard services users expect.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 11
    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: 2 This Week
    Last Update:
    See Project
  • 12
    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.
    Leader badge
    Downloads: 7 This Week
    Last Update:
    See Project
  • 13
    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
  • 14
    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: 1 This Week
    Last Update:
    See Project
  • 15

    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: 1 This Week
    Last Update:
    See Project
  • 16
    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
  • 17
    Luadch

    Luadch

    We moved to GitHub! -> http://luadch.github.io/

    We moved to GitHub! New Website: http://luadch.github.io/ There you will find all the necessary informations.
    Leader badge
    Downloads: 1 This Week
    Last Update:
    See Project
  • 18
    Idiot is a superset of different projects. Most of them deal with IRC.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 19
    Airwave: IRC-Services that are fast, stable, written in standard C, based on Cygnus and include HostServ.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    This is an P2P Chatclient for everyone and open source. It was created for people to see an example for a chat-programm and learn how to networkprogramming works by looking at our code. We hope you enjoy it.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    Pidgin Birthday Reminder reminds you of your buddies birthdays. Birthdays can be set by hand or be automatically filled-in for ICQ, MSN and XMPP protocols. We moved to GitHub: https://github.com/kgraefe/pidgin-birthday-reminder
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    BIV is an simple instant messenger for linux systems. It contains a server and a client using a special protocol.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    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:
    See Project
  • 24
    This is a plugin for the popular instant messenger Pidgin. It will track MPRIS-supported players by watching the Linux DBUS, setting your away message to the tracks name and allowing automated file transfers.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    DAVIS is an easy and useful language for IRC bots. This project contains our own bots, some bots for demonstration, a parser that creates Java, C, Perl and IRC-Script code out of a DAVIS file, and an interpreter for DAVIS files.
    Downloads: 0 This Week
    Last Update:
    See Project
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