C# Chat Software

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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.

  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
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  • eProcurement Software Icon
    eProcurement Software

    Enterprises and companies seeking a solution to manage all their procurement operations and processes

    eBuyerAssist by Eyvo is a cloud-based procurement solution designed for businesses of all sizes and industries. Fully modular and scalable, it streamlines the entire procurement lifecycle—from requisition to fulfillment. The platform includes powerful tools for strategic sourcing, supplier management, warehouse operations, and contract oversight. Additional modules cover purchase orders, approval workflows, inventory and asset management, customer orders, budget control, cost accounting, invoice matching, vendor credit checks, and risk analysis. eBuyerAssist centralizes all procurement functions into a single, easy-to-use system—improving visibility, control, and efficiency across your organization. Whether you're aiming to reduce costs, enhance compliance, or align procurement with broader business goals, eBuyerAssist helps you get there faster, smarter, and with measurable results.
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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.
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    Downloads: 7,397 This Week
    Last Update:
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  • 2
    RevokeMsgPatcher

    RevokeMsgPatcher

    A hex editor for WeChat/QQ/TIM

    RevokeMsgPatcher is a reverse engineering patch tool for Chinese messaging apps QQ and TIM. It prevents message recall (revocation) by modifying the app’s behavior to retain recalled messages, allowing users to see messages that would otherwise be deleted. Primarily used in Windows environments, the tool is popular among users who prefer transparency in their chats.
    Downloads: 4 This Week
    Last Update:
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  • 3

    AIMLBot (Program#)

    NOT UNDER ACTIVE DEVELOPMENT (sorry)

    THIS LIBRARY IS NOT UNDER ACTIVE DEVELOPMENT (sorry). AIMLBot (Program#) is a small, fast, standards-compliant yet easily customizable .NET dll implementation of an AIML (Artificial Intelligence Markup Language) based chatter bot. AIMLBot has been tested on both Microsoft's runtime environment and Mono.
    Downloads: 2 This Week
    Last Update:
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  • 4
    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: 9 This Week
    Last Update:
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  • Automated RMM Tools | RMM Software Icon
    Automated RMM Tools | RMM Software

    Proactively monitor, manage, and support client networks with ConnectWise Automate

    Out-of-the-box scripts. Around-the-clock monitoring. Unmatched automation capabilities. Start doing more with less and exceed service delivery expectations.
    Learn More
  • 5
    Telegram Bot for Windows

    Telegram Bot for Windows

    Telegram Bot Windows Application

    This is a funcional application for Windows for your Telegram Bot. To create your own bot you must register new bot by BotFather bot in Telegram. BotFather will give you unique Autch code that will be used in this application.
    Downloads: 6 This Week
    Last Update:
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  • 6
    YTalk Cursor Freedom (YCF) is a small C# app that you can run inside of YTalk which provides an extended feature set for YTalk such as the ability to use the arrow keys.
    Downloads: 2 This Week
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  • 7
    YaP is an IRC Client written in C#.
    Downloads: 2 This Week
    Last Update:
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  • 8
    ThinLisp is a practical dialect of lisp for real world applications. You develop in Common Lisp, you deploy in C. ThinLisp programs are as fast as C, by design. Used for a decade in million line systems.
    Downloads: 1 This Week
    Last Update:
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  • 9
    Verbot Engine SDK
    Created by Conversive, the Verbot (Verbally Enhanced Software Robot) is based on more than 10 years of AI experience and development. Using XML and .NET architecture, the Verbots SDK allows you to create engaging interactive personalities.
    Downloads: 1 This Week
    Last Update:
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  • Reach Your Audience with Rise Vision, the #1 Cloud Digital Signage Software Solution Icon
    Reach Your Audience with Rise Vision, the #1 Cloud Digital Signage Software Solution

    K-12 Schools, Higher Education, Businesses, Restaurants

    Rise Vision is the #1 digital signage company, offering easy-to-use cloud digital signage software compatible with any player across multiple screens. Forget about static displays. Save time and boost sales with 500+ customizable content templates for your screens. If you ever need help, get free training and exceptionally fast support.
    Learn More
  • 10
    Driver support for 3D Controller Hardware. We hope to support SDL Input, DirectInput, and other major controller API's including game consoles and embedded systems.
    Downloads: 1 This Week
    Last Update:
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  • 11
    A. R. Live Support is online chat software, developed in Asp.net(2.0) and XML. Easy to use and it facilitates 1-o-1 live communication between customers and executives. Flexible live chat software that provides the customer support with a click.
    Downloads: 1 This Week
    Last Update:
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  • 12

    Chat/Game Server

    Game server project for CS331

    Downloads: 1 This Week
    Last Update:
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  • 13
    This is an IRC dice bot. This bot supports crypto-seeded random rolls of multi-sided dice. This bot logs onto an IRC server and awaits input by players. DiceBot includes support for roll multipliers (5d20) and roll modifiers (1d20 + 1d1547 - 5 * 2 / 4).
    Downloads: 1 This Week
    Last Update:
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  • 14
    This project is a collection of differents plugins for <a href=http://sf.net/projects/odch/>ODC(#)H</a> server.
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    Downloads: 1 This Week
    Last Update:
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  • 15
    nebohodimo IM is a Jabber client for Windows Mobile devices. It's written to be stable over unreliable mobile connection and easy to use.
    Downloads: 1 This Week
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  • 16
    #aim (pronounced "shame") is a multi-protocol instant messaging client written in C#
    Downloads: 0 This Week
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  • 17
    .IRC (or dotIRC) is an IRC client written in C#. Its goal is to provide an easy to use IRC client that will be eventually be compatible with Microsoft's System.Windows.Forms library under .NET and GTK# under Mono. It is using the SmartIrc4net library.
    Downloads: 0 This Week
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  • 18
    This is a set of .NET class libraries, designed to use various Internet protocols in a easy-to-use OO matter. So far it contains a POP3 and an IRC (Internet Relay Chat) library.
    Downloads: 0 This Week
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  • 19
    .nIRC is an IRC client written in C#. It has full support for text formatting, file sending, etc, and allows the use of IronPython scripts in order to make further customisation easier.
    Downloads: 0 This Week
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  • 20
    A c# implementation of the achat protocol. It is a seperate library so you can add your own interface. there are also two pre-made implementations. one basic (and incomplete) GUI version and a just as useful console version
    Downloads: 0 This Week
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  • 21
    AIML Verbot Converter - Converts AIML files to Verbot KnowledgeBase (VKB) files. Visit http://www.verbots.com/ and http://www.alicebot.org to learn more about AIML and Verbots. Implemented in C# (.NET).
    Downloads: 0 This Week
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  • 22
    This is another Age of Conan chat bot written in C#. Support for loading and unloading plugins while running through AppDomain. Uses a fairly easy way of implementing new plugins through the Abot.Plugin class. Using Vhab's VhaBot.Net library.
    Downloads: 0 This Week
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  • 23
    JavaScript Chat based on DOM and AJAX technologies. Content refreshing without roundtrip of page.
    Downloads: 0 This Week
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  • 24
    Aeru IRC is IRC Client for the .NET Framework. It made with C# programming language and features a full Graphical Interface. Aeru IRC uses XML to store servers and channels and app settings. The GUI uses the power of .NET.
    Downloads: 0 This Week
    Last Update:
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  • 25
    A simple an easy to use Instant Messenger application to use on networked computers. Minimal to no setup required.
    Downloads: 0 This Week
    Last Update:
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