Quassel IRC is a modern, cross-platform, distributed IRC client based on the Qt4 framework. Distributed means that one (or multiple) client(s) can attach to and detach from a central core that stays permanently online -- much like the popular combination of screen and a text-based IRC client such as WeeChat, and similar to (but much more featureful than) so-called BNCs.
The Lounge is a web IRC client that you host on your own server. It's the official, community-managed fork of @erming's great ...
Irssi is a terminal based IRC client for UNIX systems. It also supports SILC and ICB protocols via plugins.
A hand-crafted IRC client that you can enjoy. Designed to be used easily and freely. More friendly than other webirc clients g ...
An IRC-like internet chatroom hosted on ZeroNet, a distributed network. 0rc is a fully distributed website, and messages are s ...
Miranda IM is the smaller, faster, easier instant messenger with support for multiple protocols. Designed from the ground-up t ...
KVIrc is a free portable IRC client based on the excellent Qt GUI toolkit. KVirc is being written by Szymon Stefanek and the K ...
XChat is an IRC chat program for both Linux (Open Source) and Windows (Shareware, 30-day trial). It allows you to join multipl ...
Chat from anywhere and never miss a message. Stay connected even while you’re offline.
HexChat is an IRC client based on XChat for Linux , but unlike XChat it’s completely free for both Windows and Unix-like syste ...
mIRC is a popular Internet Relay Chat client used by millions of people, and thousands of organizations, to communicate, share ...
Adium is a free and open source instant messaging application for Mac OS X, written using Mac OS Xs Cocoa API, released under ...
Pidgin is an easy to use, multi-protocol chat client client used by millions. Connect to AIM, MSN, Yahoo, XMPP, and more chat ...
Polari is an Internet Relay Chat (IRC) client designed for GNOME 3.
Empathy is a messaging program which supports text, voice, video chat, and file transfers over many different protocols. You c ...
Trillian is an instant messaging app that works on phones, tablets, and desktops while keeping your chats neatly synchronized ...