nomacs - Image Lounge
Lightweight image viewer
nomacs is a free image viewer, which is small, fast and able to handle the
most common image formats. Additionally it is possible to synchronise
multiple viewers. A synchronisation of viewers running on the same
computer or via LAN is possible. It allows to compare images and spot the
differences (e.g. schemes of architects to show the progress).
There is no official package available for openSUSE Leap 15.4