Open Source Linux 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.

BitchX is an IRC client based on ircII/EPIC4. It includes many features that are usually relegated to scripts such as CDCC and flood protection -- you can just start it and go. Development was on hiatus for a while but is now resuming.

Halloy is an open-source IRC client written in Rust, utilizing the Iced GUI library. It aims to provide a simple and fast client for Mac, Windows, and Linux platforms

Undernet Coder Committee -- ircu development

A graphical notification plugin for the instant message client gaim. Now hosted at http://plugins.guifications.org/trac

Eggdrop is the most advanced IRC robot available. It has been under development since December 1993, and unlike most other bots, it is still regularly updated.

Nested commands, easy configuration, and an incredibly flexible and easy-to-use plugin system distinguish Supybot from other IRC bots. There simply isn't a more flexible or easier to use IRC bot!

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

X-Chat Aqua is X-Chat with an Aqua interface for MacOS X. X-Chat Aqua uses the irc engine from X-Chat, and is designed to look and feel like the GTK+ front end.

Java library for the creation of IRC-related applications (i.e. bots, clients, etc)

Solid IRCd is an Internet Relay Chat Daemond based on bahamut IRCd developed by the bahamut team. Our main goal is to provide users with a stable server, and at the same time, a more secure server, while having all the features of bahamut and more.

VooDoo cIRCle is modular IRC bot, scriptable thanks to PHP and Perl, with built-in SSL support, File System, private BotNet and advanced security rights for each user. Runs on POSIX/Unices, Windows and Mac OS X.

A complete rewrite of the mobile java irc-client WLIrc. (http://wirelessirc.sourceforge.net) Aims to be more responsive and use less memory maintaining the current gui and looks.

ZNC is an IRC bouncer with many advanced features such as a built-in web interface, persistent connection (detaching), multiple users, per channel playback buffer, SSL, IPv6, transparent DCC bouncing, and c++ module support, to name a few.

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.

Effortlessly browse and search XDCC packs with this streamlined tool for mIRC and AdiIRC, crafted by Eric^^. Say goodbye to tedious channel interactions! Simply load the script (`/load -rs xdccv.mrc`) and let it build a comprehensive database while you idle. Then, use the commands `/xdccv` or `/xdccs` to find your desired files. Keep it alive. Make it better. Compatible with Windows 10/11 and Linux via WINE. Get the latest updates and source code here: https://pastebin.com/HUmDgd0g

pisg is a smart Perl script which generates nice looking statistics out from IRC logfiles. It's a funny thing for the users of your channel :)

Konversation is a user-friendly Internet Relay Chat (IRC) client built on the KDE Platform.

OOMon is an Internet Relay Chat (IRC) server monitor bot that watches for abusive client behavior and terminates abusive connections in a highly configurable manner. The bot can be used to detect open proxies, flooding, spam, and cloning.

This is a c++ XDCC client with ajax webinterface!!

Fire is a multi-protocol instant messenger client for Mac OS X based on freely available libraries for each service. Currently Fire handles AOL Instant Messenger®, ICQ®, MSN® Messenger, Jabber, limited IRC, Yahoo!®, and Apple Bonjour communications.

Irc client for mobile phones (Symbian^3). This is based on http://sourceforge.net/projects/nochat/ irc engine. Project uses Nokia Qt SDK

Geared toward Artificial Intelligence development for chess. JFChess is written in Java, and is designed to easily integrate new AI's. It is also can play over LAN, Direct Connect, and IRC for competitive play!

Plugin for ChatZilla which monitors torrent IRC announce channels, downloads torrent files based on a user-defined filter, and then sends the torrent files to a local or remote torrent client. Supports several different private trackers.

Features include: authentication, channel control, a full-featured Memo system, a Seen system, logging capabilities, a help system, the ability to act as a file sharing node and the ability to share data and perform functions together with other bots.