Install ekg2-jabber by entering the following commands in the terminal:
sudo apt update sudo apt install ekg2-jabber
instant messenger and IRC client for UNIX systems - Jabber/XMPP
EKG2 is an open source instant messenger program for UNIX systems. The program has a plugin-based structure, and supports multiple protocols, currently Jabber, ICQ, Gadu-Gadu, IRC, RivChat, PolChat, NNTP and RSS. . This package contains the plugin which lets you communicate on the Jabber or XMPP IM networks.