WeeChat
WeeChat is a fast, light and extensible chat client.
19 Alternatives To WeeChat
Adium
Adium is a free instant messaging application for Mac OS X that can connect to AIM, MSN, Jabber, Yahoo, and more.
Colloquy
Traditionally, chat clients on the Mac have been anything but glamorous.
HexChat
HexChat is a fork of XChat with bug fixes and new features.
IRCCloud
IRCCloud is a modern IRC client that keeps you connected, with none of the baggage. Stay synced and notified wherever you are with our web and mobile apps.
Jitsi
Open-source video calling and chat platform.
KVIrc
KVIrc is a free portable IRC client based on the excellent Qt GUI toolkit.
Kiwi IRC
A hand-crafted IRC client that you can enjoy. Designed to be used easily and freely.
Konversation
Konversation is an IRC client which gives you speedy access to Freenode network’s channels…
LimeChat
LimeChat is an IRC client for Windows, Mac OS X and iOS. Features
Pidgin
Pidgin is an easy to use and free chat client used by millions. Connect to AIM, MSN, Yahoo, and more chat networks all at once.
Polari
Polari is an Internet Relay Chat (IRC) client designed for …
Quassel IRC
Quassel IRC is a modern, cross-platform, distributed IRC client based on the Qt4 framework.
Smuxi
Smuxi is a free and user-friendly IRC / Twitter / Facebook Chat / gTalk / XMPP client for Linux, Windows and Mac OS X
Textual
Textual is the world’s most popular application for interacting with Internet Relay Chat (IRC)…
Trillian
Trillian is a decentralized and federated instant messaging platform that lets your whole company send private and group messages, keep tabs on what co-workers are doing, share files, and much more.
XChat for Linux
XChat is an IRC chat program for both Linux and Windows.
ZeroChat
An IRC-like chatroom hosted on ZeroNet, a distributed network.
irssi
Irssi is a terminal based IRC client for UNIX systems.