Alternatives to HexChat for Mac 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 OS X Windows Linux BSD PortableApps.com ... Xfce
Multiple protocols Multiple protocols support Extensible by Plugins/Extensions Supports XMPP ... Multiple languages Multiple Account support Multiple chat protocols Portable Video calling Voice Call Add a feature

1436 Like
- It has a fully featured IRC client functionality. AntumDeluge • Dec 2017 • 3 agrees and 2 disagrees
- Pidgin is more for IM protocols in general like XMPP, ICQ etc., while HexChat is for IRC chat. artyhedgehog • Mar 2017 • 5 agrees and 5 disagrees
Adium

Adium is a free and open source instant messaging application for Mac OS X, written using Mac OS Xs Cocoa API, released under the GNU GPL and developed by the Adium...

Free Open Source Mac OS X
Customizable Multiple languages Multiple protocols OTR ... Tabbed interface Support for Themes Add a feature

329 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 OS X Windows Linux BSD Cygwin
No features added Add a feature

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 OS X Windows Linux Self-Hosted
No features added Add a feature

40 Like
- It is a full IRC client, just like HexChat. AntumDeluge • Dec 2017
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...

Free Open Source Mac OS X Windows Linux BSD PortableApps.com
Portable Add a feature

36 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 OS X Linux Android BSD Xfce
Command line interface Extensible by Plugins/Extensions Modular System Multiple protocols Add a feature

28 Like
Textual

Textual is the world's most popular application for interacting with Internet Relay Chat (IRC) chatrooms on OS X. Textual includes two elegantly designed light...

Commercial Mac OS X
No features added Add a feature

17 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 OS X Windows Linux
No features added Add a feature

28 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 OS X Windows iPhone iPad
No features added Add a feature

14 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 OS X Windows Linux SeaMonkey Firefox
No features added Add a feature

19 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
Decentralized Distributed Add a feature

7 Like
Colloquy

Traditionally, chat clients on the Mac have been anything but glamorous. Colloquy is an advanced IRC, SILC & ICB client which aims to fill this void. By adhering to...

Free Open Source Mac OS X
No features added Add a feature

35 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 OS X Windows Linux Web Android ... Android Tablet Self-Hosted Chrome WeeChat Firefox OS Google Play Store Firefox
Responsive design Add a feature

3 Like
bIRC

bIRC is a simple, lightweight and flexible IRC-Client written in Bash. bIRC doesn't require an installation and can be launched by executing a single script file....

Free Open Source Mac OS X Linux
No features added Add a feature

6 Like
Subway

Subway is a web-based IRC client with a multi-user backend and a JavaScript-heavy UI. Frontend/backend communication is done with websockets (or best available fallback...

Free Open Source Mac OS X Windows Linux Web Self-Hosted
No features added Add a feature

4 Like
- Discontinued Subway is in hiatus, i.e. it's not currently functional and not under active development, but the plan is to finish this project some point in the future. Meanwhile currently the maintainer strongly suggests taking a look at https://alternativeto.net/software/shout/ .