esmska from Java:esmska project

For openSUSE Factory run the following as root:

zypper addrepo https://download.opensuse.org/repositories/Java:esmska/openSUSE_Factory/Java:esmska.repo
zypper refresh
zypper install esmska

For common-deb run the following:

Keep in mind that the owner of the key may distribute updates, packages and repositories that your system will trust (more information).

echo 'deb http://download.opensuse.org/repositories/Java:/esmska/common-deb/ /' | sudo tee /etc/apt/sources.list.d/Java:esmska.list
curl -fsSL https://download.opensuse.org/repositories/Java:esmska/common-deb/Release.key | gpg --dearmor | sudo tee /etc/apt/trusted.gpg.d/Java_esmska.gpg > /dev/null
sudo apt update
sudo apt install esmska