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.

  • Finance Automation that puts you in charge Icon
    Finance Automation that puts you in charge

    Tipalti delivers smart payables that elevate modern business.

    Our robust pre-built connectors and our no-code, drag-and-drop interface makes it easy and fast to automatically sync vendors, invoices, and invoice payment data between Tipalti and your ERP or accounting software.
  • Business Continuity Solutions | ConnectWise BCDR Icon
    Business Continuity Solutions | ConnectWise BCDR

    Build a foundation for data security and disaster recovery to fit your clients’ needs no matter the budget.

    Whether natural disaster, cyberattack, or plain-old human error, data can disappear in the blink of an eye. ConnectWise BCDR (formerly Recover) delivers reliable and secure backup and disaster recovery backed by powerful automation and a 24/7 NOC to get your clients back to work in minutes, not days.
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    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.
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    Downloads: 5,854 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: 168 This Week
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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: 35 This Week
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  • 4
    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: 5 This Week
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  • RMM Software | Remote Monitoring Platform and Tools Icon
    RMM Software | Remote Monitoring Platform and Tools

    Best-in-class automation, scalability, and single-pane IT management.

    Don’t settle when it comes to managing your clients’ IT infrastructure. Exceed their expectations with ConnectWise RMM, our MSP RMM software that provides proactive tools and NOC services—regardless of device environment. With the number of new vulnerabilities rising each year, smart patching procedures have never been more important. We automatically test and deploy patches when they are viable and restrict patches that are harmful. Get better protection for clients while you spend less time managing endpoints and more time growing your business. It’s tough to locate, afford, and retain quality talent. In fact, 81% of IT leaders say it’s hard to find the recruits they need. Add ConnectWise RMM, NOC services and get the expertise and problem resolution you need to become the advisor your clients demand—without adding headcount.
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    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: 1 This Week
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  • 6
    JIT is ICQ transport for Jabber instant-messagning systems. JIT works in threaded environment and can work on multi-processor platforms. JIT uses libicq2000 and supports users search, sms messages, vcards, web presence ...
    Downloads: 2 This Week
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  • 7
    Tlen Transport is program that connect to Jabber server and provide ability to use Tlen.pl Instant Messageing Network using any Jabber compatibile client.
    Downloads: 1 This Week
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  • 8
    Jabberwocky is a jabber client software for Amiga Computers. It is open source and released under the GNU GPL License.
    Downloads: 1 This Week
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  • 9
    Everything for the best Polish UDP LAN communicator Wszystko dla najlepszego polskiego chata sieciowego - RivChat
    Downloads: 1 This Week
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  • Holistically view your business data within a single solution. Icon
    Holistically view your business data within a single solution.

    For IT service providers and MSPs that need a data platform to manage their processes

    BrightGauge, a ConnectWise solution, was started in 2011 to fill a missing need in the small-to-medium IT Services industry: a better way to manage data and provide the value of work to clients. BrightGauge Software allows you to display all of your important business metrics in one place through the use of gauges, dashboards, and client reports. Used by more than 1,800 companies worldwide, BrightGauge integrates with popular business solutions on the market, like ConnectWise, Continuum, Webroot, QuickBooks, Datto, IT Glue, Zendesk, Harvest, Smileback, and so many more. Dig deeper into your data by adding, subtracting, multiplying, and dividing one metric against another. BrightGauge automatically computes these formulas for you. Want to show your prospects how quick you are to respond to tickets? Show off your data with embeddable gauges on public sites.
  • 10
    Visual chat using udp protocol. It will be a crossed rpg/sims online chat.
    Downloads: 1 This Week
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  • 11
    Online game for developers. Program your team of 4 ants (in LISP) that can reproduce and gain experience and fight against another players in different game modes(CTF, TDM, DM)!
    Downloads: 0 This Week
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  • 12
    Open source, graphical client for G*adu-G*adu IM for BeOS
    Downloads: 0 This Week
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  • 13
    CJabby is Jabber client written in C. It is intended for GNOME users.
    Downloads: 0 This Week
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  • 14
    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
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  • 15
    Ethernet chat compatible with popular Lanchat Pro ( UDP chat to talk in local network). Uses gtk+ and gettext.
    Downloads: 0 This Week
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  • 16
    GNU Gadu is an instant messanger application, designed to work with IM protocols popular in Poland (but not only). This is a plugin based application, even GUI ( which uses GTK+) is a plugin. Currently we support: Gadu-Gadu, Tlen.pl, Jabber
    Downloads: 0 This Week
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  • 17
    Jabbah is simple library with very easy to understand API for jabber communicators. Its aim is to implement whole XMPP protocol and as many JEPs as possible.
    Downloads: 0 This Week
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  • 18
    This is a collection of plugins for Miranda Instant Messenger. If you want to learn more about Miranda IM please visit the official website at http://www.miranda-im.org/.
    Downloads: 0 This Week
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  • 19
    Database Operating System, with implemented sql server inside the kernel. Read more on website.
    Downloads: 0 This Week
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    Downloads: 0 This Week
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  • 21
    Tlen protocol plugin for Miranda IM
    Downloads: 0 This Week
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  • 22
    Ircproxy is transparent IRC content-filtering application. It may be used whenever there is a need of monitoring IRC connections.It may be used to deny specific connections or to behold suspicious IRC traffic.
    Downloads: 0 This Week
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  • 23
    ggsniff is not currently a standalone application. Rather, it is a patch for dsniff that adds the ability to record Gadu-Gadu messages to msgsnarf.
    Downloads: 0 This Week
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  • 24
    Glen is a client of the Polish IM network Tlen.pl. It is designed with the Gnome Desktop Environment in mind. The main goal of this project is to provide Linux users with a fully-featured Tlen.pl client with all bells and whistles.
    Downloads: 0 This Week
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  • 25
    griv is serverless lan chat program, aiming to be compatible with RivChat.
    Downloads: 0 This Week
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