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.

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.

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

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.

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!

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

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

CsIrc is a opensource irc client developped in c#

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).

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.

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.

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

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.

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

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

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 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.

A small software to delete contact history and chats from and to a selected skype contact. It allows to protect your privacy because it does not touch other contact history. It works with Skype 4.2. Beta Test on-going

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.

Basic Chat program between client and server using c# and Socket API

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

toast updates messengers "personal message" from the systray.

windrop.NET A .NET based eggdrop-like IRC bot.