mIRC

mIRC is a popular Internet Relay Chat client used by millions of people, and thousands of organizations, to communicate, share, play and work with each other on IRC...

Commercial Windows

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

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• Discontinued The program is no longer updated.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

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

IRCCloud

IRCCloud is an IRC client with a future. Stay connected, chat from anywhere, and never miss a message.

Freemium Web Android iPhone

Kiwi IRC

A hand-crafted IRC client that you can enjoy. Designed to be used easily and freely. More friendly than other webirc clients giving the general public an easy option to...

Free Open Source Web Self-Hosted Chrome

Shout

What is it? Shout is a web IRC client that you host on your own server. What features does it have? * Multiple user support * Stays connected even when you close...

• Discontinued Shout's development has stopped early 2016 and replaced by its official community fork: http://alternativeto.net/software/the-lounge/ . See https://github.com/erming/shout

Free Open Source Web Self-Hosted

Konversation

Konversation is an IRC client which gives you speedy access to Freenode network's channels, where you will find support for most distributions.

Free Open Source Linux

Lime Talk

Lime Talk is an online application that allows you to easily embed a chat widget onto your site. In a couple of minutes you can communicate with your website visitors...

Commercial Web

Qwebirc

qwebirc is a web based AJAX IRC client.

Free Open Source Windows Linux BSD Self-Hosted

Mibbit

No Java, no flash. With Mibbit, chatting online is easy, just choose your nickname and press go! No sign-up is required and you can use it from wherever you are with...

Free Web

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

Convos

Convos is the simplest way to use IRC. It is always online, and accessible to your web browser, both on desktop and mobile.

Free Open Source Web Self-Hosted

Maid-IRC

A modern web IRC client. Built on Node.js.

Free Open Source Web Self-Hosted Node.JS

jsIRC

jsIRC is written using Socket.IO, node.js, jQuery Title Alert and Sencha ExtJS, relying on string.js, Lo-Dash and PhantomJS. Implemented Features: * Webcam Chat *...

• Discontinued The official website is no longer accessible and the GitHub repo hasn't been updated since May 17th, 2015.

Free Open Source Web Self-Hosted Socket.io Node.JS jQuery