A smaller, faster, and easier IM client
Miranda IM is an open source, multi-protocol instant messaging client designed to be very light on system resources, extremely fast and customizable. A powerful plugin-based architecture make Miranda IM one of the most flexible clients on the planet.
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.
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!
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 :)
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.
Plugin for Irssi 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.
A lightweight, high-performance Internet Relay Chat server
IRCD-Hybrid is a lightweight, high-performance Internet Relay Chat server.
miau is a small but fully featured IRC-bouncer/proxy. Features include so-called quicklogging, logging, auto-opping and dcc-bouncing. Most features can be enabled/disabled with configure-script.
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.
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.
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.
PJIRC is a full-featured Java-based IRC client
Anope Services are built off of the original Epona code written by Lara which is built off of IRC Services. These services have advanced the original Epona code and include new features such as Modules, Mysql, and Defcon Mode.
Windows (XP/Vista/7/8/10) ports of the Eggdrop IRC bot
LostIRC is a simple, lightweight IRC client for X11 written in C++ to run on Linux/BSD, the goal of the first stable version is to be simple and as much keyboard controlled as possible.
X-Chat is an IRC (Internet Relay Chat) program for Linux and Windows.
srvx IRC Services is a ground-up implementation of services for IRC networks (supporting IRCu2.10, Bahamut, and other IRC server dialects). Features include POSIX threading, generalized proxy detection and all the standard services users expect.
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).
An IRC bot written in PHP. It supports various plugins for channel services, with additional plugins easy to program. It features a full functional and tested PUG BOT for NS, CS and CSS, however other games are easy to add. Please note however, it does n
Kraken is a continuation of the Openfire IM Gateway plugin, but in a way that works for any XMPP server. It provides a way for XMPP users to log into, and communicate through, their legacy IM accounts such as AIM, ICQ, MSN, Yahoo, and friends.
dxirc is simple IRC client
muh is a smart IRC-bouncing tool that remains on IRC all the time. You can take control over your nick by connecting to muh with an IRC client that is able to supply a password for the server connection.
This project includes an event-driven IRC client framework written in Python, as well as an object-oriented wrapper class and some example programs.
Iroffer with mIRC-style DCC Server Protocol that might allow sends through firewalls without reconfigurations (and some more extra features)
gruftistats is a program to read IRC logs and produce an HTML page of statistics and amusing facts about an IRC channel.