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.

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.

DC# is an enhanced DirectConnect client written in C# for .NET platforms. Planned features include improved interface and searching capabilities, idle-triggered upload bursts, multi-source downloads, and auto search for alternates.

NOTE! xg moved to github, no mor updates are published to sourceforge! see you @ http://github.com/lformella/xdcc-grabscher

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

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

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!

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.

TomoSearch is a new generation search tool developed based on the idea of Collaborative Search. Sometime it is also called Search 2.0. We try to make a Collaborative Search engine better than now exist CSEs system to fill the real need of users.

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).

Dunbar is a location-based chat tool for mobile devices and phones as well as desktop computers. The architecture is built on web services so that clients on any operating system can be created. The service will be free to users, and the source code will

A set of libraries to access the Jabber platform in .Net. This project has been moved to Google Code: http://code.google.com/p/jabber-net/

An open source .NET library that aims to provide a complete client-side implementation of the MSN messaging service, using the latest protocol (MSNP15). A fully-featured GUI client, Angel Messenger, is being developed along-side the 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.

A bot build in c# currently in development, new features being added

CsIrc is a opensource irc client developped in c#

PIMStudio gives you unique set of features to manage your personal information.Features like expenses & inventory tracking,CD/DVD archieve,Books & E-books Organiser,RSS Reader,E-mail/SMS Sender,Import yahoo/google contacts,Remote access through SMS etc.

utilities and libraries for gamedev - pure c# rar unarchiver, mp3 decoder. c++ flac module repacker. other misc. things.

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.

BF2AutoLoader (BF2AL) is a free, no ad/spyware, GameSpy/ASE/XFire servers browser alternative for Battlefield 2.

IuX - Internet Updater is a RSS 0.91 reader. It's written in C# and you can apply skin. It keep you update about your favorites sites with news, icons and sound.

A Jabber client written in C# using the .NET Compact Framework for use on Windows PCs and Windows Mobile PDAs. It is intended primarily to be deployed in a corporate environment where restricting the actions of users is desired.

KaosIRCd is an advanced IRCd, with SSL & Hostmasking. Lookup KrypticIRCd project page for download and newest version information.

This project is an open source hub software (server for Direct Connect) coded in C#, more powerful, requiring less resources and supporting a <a href=/projects/odchplugins/>plugin</a> architecture.

This is a online chat program that requires no email address, no registration and no personal information. You can chat with all users that is using this program, if you have their username. How to use: Enter an username into the first textbox and then click connect. Then type is the username of the person you want to send a message, type in the message and click send. ----------------------------------------------------------------- This program is a BJCustomSoft product and is written in CSharp. Credits to Andriy Mykhaylyu who is the developer on ImapX llibrary.