Open Source IRC Clients

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.

IRCD-Hybrid is a lightweight, high-performance Internet Relay Chat server.

Bot Sentry is a Pidgin (libpurple) plugin to prevent Instant Message (IM) spam. It allows you to ignore IMs unless the sender is in your Buddy List, the sender is in your Allow List, or the sender correctly answers a question you have predefined.

libircclient is a small but powerful library, which implements client-server IRC protocol. It has all features needed to create your own IRC client or bot, including multi-threading support, sync and async interfaces, CTCP/DCC support, colors, SSL connections and so on.

A pidgin plugin that allows user to assign global hotkeys (e.g. Ctrl+Alt+g) for togglling buddy list and reading queued message. When "Toggle List" hotkey is enabled, it makes the buddy list hidden from your taskbar and task switcher (similar to ICQ).

[ Please read https://sourceforge.net/p/darkbot/news/2014/01/darkbots-revitalization/ ] Darkbot is a portable IRC chat robot written in the C language that can be taught responses to user inquiries, and even have conversations with them. Darkbot was originally created by Jason Hamilton as an aid for help channels on Intenet Relay Chat.

An IRC(u) services server framework written in C++. This server framework is capable of supporting as many individual clients as the protocol supports. Each client can be custom made by subclassing an existing fully functioning client.

A small, modular IRC bot written in C. On startup, reads an XML configuration file. Uses dynamic modules to implement actual functionality (friends lists, auto-opping, etc).

Efficient open proxy scanner software suite for Undernet IRC(u).

AServ is a fully featured IRC Service written in TCL to provide stable services to both network operators, and users. AServ uses Undernets P10 protocol to communicate with servers. Bugs and Requests should be made at http://AServ.ownage.org.uk

RaidBot is a TCL based script for an EggDrop which provides features to organise attacks on Planetarion ( http://www.planetarion.com/ ) via IRC.

Servidor de IRC basado en el servidor de Undernet con encriptacion de IPs, IPv6 y otras caracterísicas como una base de datos distribuida (BDD) para la gestión integral de un portal de chat, así como otros proyectos y programas relacionados.

Denora is a set of Stats Services for IRC networks that allows IRC network admins to get a complete and comprehensive overview of their IRC network. Denora exports this information to MySQL, HTML XML and flatfile databases.

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.

A multiplayer RPG that connects as a psuedo server to an IRCD. Built in the tradition of old BBS Door games such as LORD (http://en.wikipedia.org/wiki/Legend_of_the_Red_Dragon). Forest fights add experience and gold needed to best your master (gain level

Gircd is an ircd based off of ircu (undernet) with patches taken from QuakeNets asuka. It includes features such as sethosting, auditorium mode, and netriding protection. This is the current ircd for the genericnet irc network. (This is gircd1.x only)

The IRCd Conf manager util aims at automating ircd tasks such as configuration and compilation. Other options are also included such as automatich updates. This script will eventually be ready to be used for other irc networks. Requires ncurses/dialog

Eggdrop TCL designed for use with Unreal IRCd servers. Still in ßetá but overall very functional. Has been sitting on the shelf for about a year, time to dust it off.

A PHP/mySQL driven IRC bot. Full admin system, including a live web interface and IRC admin access aswell. Advanced statistics system. Dynamic loading system to load addons on the fly without need for a restart, making bot uptimes high and stable.

Nebula: A small and lean IRC client written for motif/lesstif. Small system requirements, speed, portability, security and a clean GUI are its strong points.

OpenIRCd is an advanced IRCd based on IRCU and the P10 protocol. We plan to enhance the server to be less restrictive on scalability, and provide new features that can be enabled or disabled to change the functionality of the server.

This is IRC bot, written in PHP and using MySQL as database. It supports UNIX and Windows platforms.

Gaim Python plug-in. The product provides developers with the capability to develop python plugins for Gaim.

IRC Daemon based on UnrealIRCd with added features and enhancements, including features from Bahamut, UltimateIRCd, Hybrid and other IRCd software.

A variant on Undernet-style services for TSora networks.