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.

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.

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!

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.

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

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.

It's just another Instant Messenger based on jabber

ISIM messenger is everything you need to stay in touch with friends from Skype, Facebook, Google+ (Jabber) and ICQ. ISIM doesn't contains any advertisements or so much functions. What ISIM gives to you? - chatting with anyone from protocols above in nice chat window with colorfull nicks and smileys - cotnact list with avatars, availability icons, unreaded messages indicator - calling, conference, video calls (just a test at the moment) and sending files though Skype

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.

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

Professional IRC client for everyone. If you find someone error in the client can be report here: https://www.facebook.com/nexusnetwork.pw or here https://twitter.com/_Nexusnetwork_ If you have an idea what to do should plugin then to the above of addresses you can write. ---------------------------------------------------------------- Professzionális IRC kliens mindenki számára. Ha talál valaki hibát a kliensben akkor itt lehet jelenteni: https://www.facebook.com/nexusnetwork.pw vagy itt https://twitter.com/_Nexusnetwork_ Ha van ötleted milyen bővítményt kellene csinálni akkor a fenti címeken lehet írni. (Magyar nyelvet akkor lehet kiválasztani,ha első indítás után újra indítod a klienst. Megjegyzés: magyar nyelv még nem teljes)

P2PChat is a p2p based chat application, that runs on local area networks and is easy to use, it doesn't require any server at all. It's easy to use; you just type the computername and starts chatting, if the other person has his client open.

SlackerChat is a chat program built for (but not limited too) local area networks. SlackerChat is a decentralized chat program that has no main server, meaning you can even chat with friends on a network without an internet connection.

U-Lyss is an IRC bot for Windows, aimed to make it easier to use than eggdrop. It is a OpenSource - GPL project, programmed with VB.NET, providing full load of useful functions in order to organize and maintain any IRC chan.

XMPP Instant Messaging Agent or XIMA is an AI Soft Bot with Instant Messaging Capabilities. It Requires .net fraemwork 3.5. Use your Gmail for login. and watch ur frnds chat with a computer.

Add some value to your 24/7 IRC life with this advanced yet simple client. Heavy vi influences, with a mainly keyboard-operated, dual-mode interface. The first alpha is now released. See a YouTube intro at http://www.youtube.com/watch?v=CHdFBbd7JOc

nebohodimo IM is a Jabber client for Windows Mobile devices. It's written to be stable over unreliable mobile connection and easy to use.

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

.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.

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.

.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.

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.

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