Для openSUSE Tumbleweed запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:13ilya/openSUSE_Tumbleweed/home:13ilya.repo
zypper refresh
zypper install geany
Для 16.0 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:13ilya/16.0/home:13ilya.repo
zypper refresh
zypper install geany
Для 15.6 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:13ilya/15.6/home:13ilya.repo
zypper refresh
zypper install geany