Mojo is a system of configuration and tools for verifying the success of Juju environment deployments. It's available as an open source project under the GPLv3 license on Launchpad.
Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.