xxdiff
A graphical front end to the diff command
xxdiff is a graphical browser for viewing the differences between two files and can be used to produce a merged version. The text of the two or three files are presented side by side with their differences highlighted for easy identification.
There is no official package available for openSUSE Leap 15.5Distributions
openSUSE Tumbleweed
openSUSE Leap 15.4
Fedora 38
Unsupported distributions
The following distributions are not officially supported. Use these packages at your own risk.