Для openSUSE Factory ARM запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/X11:terminals/openSUSE_Factory_ARM/X11:terminals.repo
zypper refresh
zypper install alacritty
Для openSUSE Factory запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/X11:terminals/openSUSE_Factory/X11:terminals.repo
zypper refresh
zypper install alacritty
Для 16.0 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/X11:terminals/16.0/X11:terminals.repo
zypper refresh
zypper install alacritty
Для 15.6 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/X11:terminals/15.6/X11:terminals.repo
zypper refresh
zypper install alacritty