HexChat is a free and open source IRC client application for Linux and Windows. It comes with many IRC server support, customizable user interface, you can extend it via Lua, Python, and Perl, Multi-network with auto-connect support, spellcheck, network meter, Proxies, SASL, DCC support. It also comes with separate window for ban list, friend list, ignore list, direct chat, file transfer and more.
Install HexChat on Ubuntu Linux
HexChat is available as flatpak package from remote flathub repository. So you need to install flatpak and flathub first. Follow below link for the installation instructions.
After the successful installation restart your system. Then open terminal software (ctrl+alt+t) and run below HexChat flatpak installation command.
flatpak install flathub io.github.Hexchat
Above command will install the latest version of HexChat on your system. You can open HexChat using below command or via the applications menu.
flatpak run io.github.Hexchat
And uninstall HexChat using
sudo flatpak uninstall io.github.Hexchat