Install gajim by entering the following commands in the terminal:
sudo apt update sudo apt install gajim
Description:
GTK+-based Jabber client
Gajim is a Jabber client. It has a tabbed user interface with normal chats, group chats, and has many features such as, TLS, GPG, SSL, multiple accounts, avatars, file transfers, audio/video call, D-Bus and Metacontacts.
Homepage: https://gajim.org/
Version: 1.0.1-3
Section: universe/net