gettext-csharp from home:coolo:branches:openSUSE:Factory project
Select Your Operating System
Add repository and install manually
For standard run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:coolo:branches:openSUSE:Factory/standard/home:coolo:branches:openSUSE:Factory.repo zypper refresh zypper install gettext-csharp