Open Source C# Chat Software

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.

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.

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.

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.

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!

A light-weight yet feature-rich Second Life chat client.

A chatbot for "Artificial Intelligence" course at Kyiv-Mohyla Academy.

Download files of the Telegram channels or groups you are a member of.

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.

Tipic Inc. is proud to announce the born of the first Open Source, P2P, VoIP and Video conferencing solution for XMPP/Jabber. The target of this project is to develop a new portable set of codes using high quality libraries to add VoIP and Video to XMPP

.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.

Hybrid Share is a User Friendly Mono C#/Gtk# Application that allow Mac, Windows and Linux Users To Share Files. The Application is extensible via Plugins, so you can Talk with connected people, check your mailbox or other things that plugins could do.

Instant messenger chat, è una chat client-server multiutente molto semplice da usare e con grafica molto carina.Sviluppata interamente in c#.

IrChat is an Irc Client written in C#. It supports Vb.Net/C#-written and custom scripting. Ssl connection suported, french and english langague available. Many things configurables such as messages, servers, ctcp and dcc.

Simple IRC client for Pocket PC and Smart Phone devices (powered by Windows CE). User Interface application and reusable IRC client library.

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.

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.

schnirc 2 is a nice IRC Client without all the knicknack but with integrated support for encryption (blowfish + dh) designed for efficient use. Multinetwork/multiserver and special support for psybnc bouncer. It has a nice FServe Client too.

#aim (pronounced "shame") is a multi-protocol instant messaging client written in C#

.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.

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.

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

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).

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.

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.