kadu
Gadu-Gadu and Jabber/XMPP protocol Instant Messenger
Kadu is an open source Gadu-Gadu and Jabber/XMPP protocol Instant Messenger client for Linux, BSD, Mac OS X and Windows. Kadu depends on Qt library version 5.2. Kadu supports KDE, GNOME and Window Maker as well. The core of Kadu is the libgadu library (its role being handling the network layer).
There is no official package available for openSUSE Leap 15.5Distributions
SUSE SLE-15-SP1
Unsupported distributions
The following distributions are not officially supported. Use these packages at your own risk.