For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/M17N/openSUSE_Tumbleweed/M17N.repo
zypper refresh
zypper install virtaal
For openSUSE Factory PowerPC run the following as root:
zypper addrepo https://download.opensuse.org/repositories/M17N/openSUSE_Factory_PowerPC/M17N.repo
zypper refresh
zypper install virtaal
For openSUSE Factory ARM run the following as root:
zypper addrepo https://download.opensuse.org/repositories/M17N/openSUSE_Factory_ARM/M17N.repo
zypper refresh
zypper install virtaal