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.

  • Auth0 B2B Essentials: SSO, MFA, and RBAC Built In Icon
    Auth0 B2B Essentials: SSO, MFA, and RBAC Built In

    Unlimited organizations, 3 enterprise SSO connections, role-based access control, and pro MFA included. Dev and prod tenants out of the box.

    Auth0's B2B Essentials plan gives you everything you need to ship secure multi-tenant apps. Unlimited orgs, enterprise SSO, RBAC, audit log streaming, and higher auth and API limits included. Add on M2M tokens, enterprise MFA, or additional SSO connections as you scale.
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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: 4,856 This Week
    Last Update:
    See Project
  • 2
    DiscordChatExporter

    DiscordChatExporter

    Saves Discord chat logs to a file

    DiscordChatExporter is a cross-platform utility that allows users to export Discord chat histories into structured files for archival, analysis, or backup purposes. The tool connects to Discord accounts and retrieves message history from servers, channels, or direct messages, then converts the data into formats such as HTML or JSON. It is designed to preserve message structure, timestamps, attachments, and formatting so exported conversations remain easy to navigate and review. The project is widely used for moderation audits, research, community archiving, and personal record keeping. With both command-line and GUI usage patterns available through the ecosystem, it supports automation as well as manual workflows. Overall, DiscordChatExporter provides a reliable way to extract and preserve Discord communications outside the platform.
    Downloads: 84 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: 8 This Week
    Last Update:
    See Project
  • 4
    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: 1 This Week
    Last Update:
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  • Go From AI Idea to AI App Fast Icon
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    Access Gemini 3 and 200+ models. Build chatbots, agents, or custom models with built-in monitoring and scaling.
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  • 5
    OfficeSIP Softphone and Messenger
    OfficeSIP Softphone and Messenger are two enterprise VoIP SIP clients written in C# in .NET Framework. The SIP clients make use of Microsoft UCC API SDK, ensuring the highest quality of audio and video. Compatible with Office Communications Server. See also open source, cross-platform: 1) simple messenger Brief Msg at http://briefmsg.org 2) MUVConf is a multi-user video conferencing, see demo video http://youtu.be/YrBU-Aqtvrk, download https://code.google.com/p/muvconf/downloads/list
    Downloads: 11 This Week
    Last Update:
    See Project
  • 6
    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:
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  • 7
    TgDownloader
    Download files of the Telegram channels or groups you are a member of.
    Downloads: 2 This Week
    Last Update:
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  • 8

    C# IRC Bot/Client

    Client/Bot in c#

    A bot build in c# currently in development, new features being added
    Downloads: 2 This Week
    Last Update:
    See Project
  • 9
    CsIrc is a opensource irc client developped in c#
    Downloads: 2 This Week
    Last Update:
    See Project
  • Add Two Lines of Code. Get Full APM. Icon
    Add Two Lines of Code. Get Full APM.

    AppSignal installs in minutes and auto-configures dashboards, alerts, and error tracking.

    Works out of the box for Rails, Django, Express, Phoenix, and more. Monitoring exceptions and performance in no time.
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  • 10
    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: 2 This Week
    Last Update:
    See Project
  • 11
    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: 2 This Week
    Last Update:
    See Project
  • 12
    pr2.code
    utilities and libraries for gamedev - pure c# rar unarchiver, mp3 decoder. c++ flac module repacker. other misc. things.
    Downloads: 2 This Week
    Last Update:
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  • 13
    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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  • 14
    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: 1 This Week
    Last Update:
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  • 15
    SmartIrc4net is a multi-threaded and thread-safe IRC library written in C#. It allows you to communicate with IRC servers. The API features full channel syncing and is splitted in 3 layers: IrcConnection, IrcCommands and IrcClient.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 16

    c# basic chat program

    Basic Chat program between client and server using c#

    Basic Chat program between client and server using c# and Socket API
    Downloads: 1 This Week
    Last Update:
    See Project
  • 17
    #aim (pronounced "shame") is a multi-protocol instant messaging client written in C#
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    .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
    Last Update:
    See Project
  • 19
    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
    Last Update:
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  • 20
    .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
    Last Update:
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  • 21
    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: 0 This Week
    Last Update:
    See Project
  • 22
    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
    Last Update:
    See Project
  • 23
    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
    Last Update:
    See Project
  • 24
    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
    Last Update:
    See Project
  • 25
    JavaScript Chat based on DOM and AJAX technologies. Content refreshing without roundtrip of page.
    Downloads: 0 This Week
    Last Update:
    See Project
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