Para openSUSE Tumbleweed execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/devel:Factory:git-workflow:staging:mcepl:vis:3/openSUSE_Tumbleweed/devel:Factory:git-workflow:staging:mcepl:vis:3.repo
zypper refresh
zypper install vis
Para 15.5 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/devel:Factory:git-workflow:staging:mcepl:vis:3/15.5/devel:Factory:git-workflow:staging:mcepl:vis:3.repo
zypper refresh
zypper install vis