Install psi-plus by entering the following commands in the terminal:
sudo apt update sudo apt install psi-plus
Description:
Qt-based XMPP/Jabber client (basic version)
This package contains basic version of Psi+. . Psi IM is a cross-platform powerful XMPP/Jabber client (Qt, C++) designed for the Jabber power users. Psi+ is a development branch of Psi client by
Homepage: https://psi-plus.com/
Version: 1.2.248-1
Section: universe/net