# Virtualization
app-emulation/qemu
app-emulation/virt-manager

# Containers
app-emulation/docker
app-emulation/docker-compose
app-emulation/skopeo
app-emulation/libpod
app-emulation/buildah
dev-ruby/dice

# DOS
app-emulation/dosemu
games-emulation/dosbox

# Vagrant
app-emulation/vagrant