Pidgin

Pidgin is an easy to use, multi-protocol chat client client used by millions. Connect to AIM, MSN, Yahoo, XMPP, and more chat networks all at once. It has built-in...

Free Open Source Mac Windows Linux BSD PortableApps.com ... Xfce

1449 Like

HexChat

HexChat is an IRC client based on XChat for Linux , but unlike XChat it’s completely free for both Windows and Unix-like systems. HexChat was...

• Open source, light and customizable, i recommend it Guest • Dec 2018 Disagree   Agree

Free Open Source Mac Windows Linux BSD PortableApps.com ... Xfce MacPorts XQuartz

181 Like

Miranda IM

Miranda IM is the smaller, faster, easier instant messenger with support for multiple protocols. Designed from the ground-up to be resource efficient while still...

Free Open Source Windows PortableApps.com

226 Like

KVIrc

KVIrc is a free portable IRC client based on the excellent Qt GUI toolkit. KVirc is being written by Szymon Stefanek and the KVIrc Development Team with the contribution...

• It's free, has certain nice extra features and a better scripting language. Guest • Apr 2016 Disagree   Agree

Free Open Source Mac Windows Linux BSD PortableApps.com

37 Like

irssi

Irssi is a terminal based IRC client for UNIX systems. It also supports SILC and ICB protocols via plugins.

Free Open Source Mac Windows Linux BSD Cygwin

73 Like

Quassel IRC

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...

Free Open Source Mac Windows Linux Self-Hosted

42 Like

XChat for Linux

XChat is an IRC chat program for both Linux and Windows. It allows you to join multiple IRC channels (chat rooms) at the same time, talk publicly, private one-on-one...

• Discontinued The program is no longer updated. Last version, 2.8.8, released in May 2010, can be still downloaded from the official website.

Free Open Source Windows Linux

103 Like

ZeroChat

An IRC-like internet chatroom hosted on ZeroNet, a distributed network. 0rc is a fully distributed website, and messages are shared through peers using the ZeroNet...

Free Open Source Mac Windows Linux Web Self-Hosted ... Python JavaScript ZeroNet

10 Like

Smuxi

Smuxi is an irssi-inspired, flexible, user-friendly and cross-platform IRC client for sophisticated users, targeting the GNOME desktop. Smuxi is based on the...

Free Open Source Mac Windows Linux

29 Like

Chatzilla

ChatZilla is a clean, easy to use and highly extensible Internet Relay Chat (IRC) client, built on the Mozilla platform, which provides all the usual features: multiple...

Free Open Source Mac Windows Linux SeaMonkey Firefox

19 Like

AdiIRC

c#/csharp IRC CLient. AdiIRC stores all its settings in text files, this way you can grab the adiirc folder and put in on a usb device or external harddrive. Take all...

Free Windows Wine

25 Like

LimeChat

LimeChat is an IRC client for Windows, Mac OS X and iOS. Features Can connect to multiple servers in a window By key operation was rich, achieve a sense of...

Free Open Source Mac Windows iPhone iPad

14 Like

Glowing Bear

Glowing Bear is a sleek, modern web frontend that securely connects to a running instance of WeeChat using its built-in relay protocol. It relies on WeeChat to do all...

Free Open Source Mac Windows Linux Web Android ... Android Tablet Self-Hosted Chrome WeeChat Firefox OS Google Play Store Firefox

3 Like

Qwebirc

qwebirc is a web based AJAX IRC client.

Free Open Source Windows Linux BSD Self-Hosted

7 Like

X-Chat 2 for Windows

A freeware build of X-Chat for windows, as opposed to the official 30-day-trial shareware Windows build.

• Discontinued Author announed EOL on homepage.

Free Windows

22 Like