Alternatives to mIRC for all platforms with any license

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
Support for Multiple protocols Support for Multiple protocols Supports XMPP Extensible by Plugins/Extensions ... IRC Plugins Chat Messaging Multiple languages Multiple Account support Multiple chat protocols Portable Video calling Voice Call Xmpp Add a feature

1476 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...
- Similar to Mirc but less complex Guest • Mar 2020
- Open source, light and customizable, i recommend it Guest • Dec 2018 • 2 agrees and 0 disagrees
Free Open Source Mac Windows Linux BSD PortableApps.com ... Xfce MacPorts XQuartz
IRC Portable Add a feature

195 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
Chat IRC Multi-messenger Support for Multiple protocols ... Portable Telegram Xmpp Add a feature

231 Like
Empathy

Empathy is a messaging program which supports text, voice, video chat, and file transfers over many different protocols. You can tell it about your accounts on all those...
- Discontinued
  Empathy is currently unmaintained. Last version, 3.25, released in August 2017, can be still downloaded from the official website.
Free Open Source Linux BSD
Support for Multiple protocols Chat Integrated File Sharing Support for Multiple protocols ... SIP Unified messaging Video calling Video chat Voice chat Xmpp Add a feature

153 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...
- Good features, very stable and free, aside from mIRC there's nothing better out there. Guest • Feb 2019
- It's free, has certain nice extra features and a better scripting language. Guest • Apr 2016 • 1 agrees and 0 disagrees
Free Open Source Mac Windows Linux BSD PortableApps.com
Chat IRC Portable Add a feature

40 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
Chat IRC QT Based Standalone Add a feature

45 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
Chat Add a feature

78 Like
WeeChat

WeeChat is a fast, light and extensible chat client. It runs on many platforms (including Linux, BSD and Mac OS). WeeChat is: - modular: a lightweight core with...

Free Open Source Mac Linux Android BSD Xfce
Chat Command line interface Extensible by Plugins/Extensions IRC ... Modular System Support for Multiple protocols Xmpp Add a feature

32 Like
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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
Chat IRC Add a feature

102 Like
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...
- It's clearly an IRC application. Just because it can be self-hosted doesn't change that. jcrben • Jul 2015
Free Open Source Web Self-Hosted Chrome
Chat IRC Preconfigurable auto-connect Add a feature

22 Like